FontForge v20230101 was discovered to contain a memory leak via the component DlgCreate8.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006171 advisory.

    FontForge v20230101 was discovered to contain a memory leak via the component DlgCreate8.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES16 / SLES_SAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:20435-1 advisory.

    Update to version 20251009.

    Security issues fixed:

    - CVE-2025-15279: remote code execution via heap-based buffer overflow in BMP file parsing (bsc#1256013).
    - CVE-2025-15269: remote code execution via use-after-free in SFD file parsing (bsc#1256032).
    - CVE-2025-15275: arbitrary code execution via SFD file parsing buffer overflow (bsc#1256025).
    - CVE-2025-50949: memory leak in function DlgCreate8 (bsc#1252652).

    Other updates and bugfixes:

    - fix multiple crashes in Multiple Masters.
    - fix crash for content over 32767 characters in GDraw multiline text field.
    - fix crash on Up/Down
    - fix crash in Metrics View.
    - fix UFO crash for empty contours.
    - fix crash issue in allmarkglyphs.

    - Version update to 20251009:

      * Update documentation for py scripts (#5180)
      * Update GitHub CI runners (#5328)
      * Update po files from Croudin sources. (#5330)
      * Use consistent Python in MacOS GitHub runner (#5331)
      * Fix CI for Windows GitHub runner (#5335)
      * Fix lookup flags parsing (#5338)
      * Fixes (#5332): glyph file names uXXXXX (#5333)
      * make harmonization robust and avoid zero handles after harmonization (#5262)
      * Quiet strict prototypes warnings. (#5313)
      * Fix crash in parsegvar() due to insufficient buffer (#5339)
      * Handle failed iconv conversion. Unhandled execution path was UB, causing a segfault for me (#5329)
      * Fix CMake function _get_git_version() (#5342)
      * Don't require individual tuple encapsulation in fontforge.font.bitmapSizes setter (#5138)
      * nltransform of anchor points (#5345)
      * Fix generateFontPostHook being called instead of generateFontPreHook (#5226)
      * Always set usDefaultChar to 0 (.notdef) (#5242)
      * add font attributes, method to Python docs (#5353)
      * fix segfault triggered by Python del c[i:j] (#5352)
      * Autoselect internal WOFF2 format (#5346)
      * Fix typos in the FAQ (#5355)
      * add font.style_set_names attribute to Python API (#5354)
      * Bulk tester (#5365)
      * Fix Splinefont shell invocation (#5367)
      * Fix the lists of Windows language IDs (#5359)
      * Support suplementary planes in SFD (emojis etc.) (#5364)
      * Remove psaltnames for multi-code-point names (#5305)
      * doc: added missing sudo to installation instructions (#5300)
      * Fix data corruption on SFD reading (#5380)
      * Compare vertical metrics check when generating TTC (#5372)
      * Treat FT_PIXEL_MODE_MONO as 2 grey levels (#5379)
      * Don't attempt to copy anchors into NULL font (#5405)
      * Fix export of supplementary plane characters in font name to TTF (#5396)
      * Defer crowdin update to the end of the pipeline (#5409)
      * Fix generated feature file bugs (#5384)
      * crowdin: update to java 17 (#5447)
      * Remove assert from Python script processor (#5410)
      * Use sysconfig for Python module locations (#5423)
      * Use PyConfig API on Python 3.8 (#5404)
      * Fix resource leak in unParseTTInstrs (#5476)
      * Only install GUI-specific files if ENABLE_GUI is set (#5451)
      * add math device tables to Python API (#5348)
      * Update CI runner to macOS 13 (#5482)
      * Allow hyphen and special characters in Feature File glyph names (#5358)
      * Fix Python font.appendSFNTName() function (#5494)
      * Update mm.c (#5386)
      * Warning rollup (probably some hidden bugs!) from clang trunk (#5492)
      * Fix function PyFFFont_addSmallCaps. (#5519)
      * Make SmallCaps() create symbols (#5517)
      * Segfault fix and complete implementation of Don't generate FFTM tables (#5509)
      * Modernize fixed pitch flag computation (#5506)
      * fix memleak in function utf7toutf8_copy (#5495)
      * Avoid crashes in Python scripts when objects are accessed in invalid state (#5483)
      * Fix CI for Ubuntu 24 (#5531)
      * Bump GitHub CI runner to Ubuntu 22 (#5551)
      * Fix memory corruption in SFUnicodeRanges() (#5537)
      * Add contour draw option to H.Metrics. (#5496)
      * Fix scaling of references in CharView (#5558)
      * Fix TTF validation on load for fixed pitch fonts (#5562)
      * Performance fixes for GSUB/GPOS dumps (#5547)
      * Simple GTK-based dialog with CSS appearance support (#5546)
      * Support Harfbuzz in Metrics View (#5522)
      * Update po files from crowdin translations (#5575)
      * Be more clever about label text in gtextfield (#5583)
      * Add minimal support for GDEF version 1.3 (#5584)
      * Sanitize messages from python (#5589)
      * Fix a crash caused by deleting a glyph with vertical kerning pairs. (#5592)
      * THEME -> GUI_THEME (#5596)
      * Update po translations from Crowdin (#5593)
      * Upgrade to Unicode 16.0.0 (#5594)
      * Fix Linux AppImage (#5599)
      * Upgrade to Unicode 17.0.0 and extend the language and script lists (#5618)
      * Remove X11 and non-Cairo drawing backends (#5612)
      * Add macOS dependency setup script (#5563)
      * Fix hotkeys in BitmapView (#5626)
      * Manually install Inno Setup 6 (#5621)
      * Remove cv->back_img_out_of_date and cv->backimgs (#5625)
      * fix spelling bt -> but (#5636)
      * Fix typos in Python module docs (#5634)

    - Version update to 20230101+git59.770356c9b:

      * Add contour draw option to H.Metrics. (#5496)
      * Fix memory corruption in SFUnicodeRanges() (#5537)
      * Bump GitHub CI runner to Ubuntu 22 (#5551)
      * Fix CI for Ubuntu 24 (#5531)
      * Avoid crashes in Python scripts when objects are accessed in         invalid state (#5483)
      * fix memleak in function utf7toutf8_copy (#5495)
      * Modernize fixed pitch flag computation (#5506)
      * Segfault fix and complete implementation of Don't generate         FFTM tables (#5509)
      * Make SmallCaps() translate symbols, too.  Update         documentation accordingly. (#5517)
      * Fix function PyFFFont_addSmallCaps. (#5519)
      * Warning rollup (probably some hidden bugs!) from clang trunk         (#5492)
      * Update mm.c (#5386)
      * fix memleak in function DlgCreate8 (#5491)
      * Fix Python font.appendSFNTName() function (#5494)
      * Allow hyphen and special characters in Feature File glyph names         (#5358)
      * Update CI runner to macOS 13 (#5482)
      * add math device tables to Python API (#5348)
      * Only install GUI-specific files if ENABLE_GUI is set (#5451)
      * Fix resource leak in unParseTTInstrs (#5476)
      * Use PyConfig API on Python 3.8 (#5404)
      * Use sysconfig for Python module locations (#5423)
      * More crowdin fix
      * Python script shall trigger no asserts (#5410)
      * crowdin: update to java 17 (#5447)
      * try fix crowdin
      * Fix generated feature file bugs (#5384)
      * Defer crowdin update to the end of the pipeline (#5409)
      * Fix export of supplementary plane characters in font name to         TTF (#5396)
      * Don't attempt to copy anchors into NULL font (#5405)
      * Treat FT_PIXEL_MODE_MONO as 2 grey levels (#5379)
      * Compare vertical metrics check when generating TTC (#5372)
      * Fix data corruption on SFD reading (#5380)
      * doc: added missing sudo to installation instructions (#5300)
      * Remove `psaltnames` for multi-code-point names (#5305)
      * Support suplementary planes in SFD (emojis etc.) (#5364)
      * Fix the lists of Windows language IDs (#5359)
      * fix splinefont shell command injection (#5367)
      * Bulk tester (#5365)
      * add `font.style_set_names` attribute to Python API (#5354)
      * Fix typos in the FAQ (#5355)
      * Autoselect internal WOFF2 format (#5346)
      * fix segfault triggered by Python `del c[i:j]` (#5352)
      * add `font` attributes, method to Python docs (#5353)
      * Always set `usDefaultChar` to 0 (.notdef) (#5242)
      * Fix generateFontPostHook being called instead of         generateFontPreHook (#5226)
      * nltransform of anchor points (#5345)
      * Don't require individual tuple encapsulation in         fontforge.font.bitmapSizes setter (#5138)
      * Fix CMake function _get_git_version() (#5342)
      * Handle failed iconv conversion. Unhandled execution path was         UB, causing a segfault for me (#5329)
      * Fix crash in parsegvar() due to insufficient buffer (#5339)
      * Quiet strict prototypes warnings. (#5313)
      * harmonizing can now no longer produce zero handles, the         computation of harmonization is now numerically robust (#5262)
      * Fix glyph file names uXXXXX (#5333)
      * Fix lookup flags parsing (#5338)
      * Duplicate libfontforge.dll for py and pyhook tests. (#5335)
      * Use consistent Python in MacOS GitHub runner (#5331)
      * Update po files from Croudin sources after fixing problems
      * Fix GinHub CI runners (#5328)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20235-1 advisory.

    Update to version 20251009.

    Security issues fixed:

    - CVE-2025-15279: remote code execution via heap-based buffer overflow in BMP file parsing (bsc#1256013).
    - CVE-2025-15269: remote code execution via use-after-free in SFD file parsing (bsc#1256032).
    - CVE-2025-15275: arbitrary code execution via SFD file parsing buffer overflow (bsc#1256025).
    - CVE-2025-50949: memory leak in function DlgCreate8 (bsc#1252652).

    Other updates and bugfixes:

    - fix multiple crashes in Multiple Masters.
    - fix crash for content over 32767 characters in GDraw multiline text field.
    - fix crash on Up/Down
    - fix crash in Metrics View.
    - fix UFO crash for empty contours.
    - fix crash issue in allmarkglyphs.

    - Version update to 20251009:

      * Update documentation for py scripts (#5180)
      * Update GitHub CI runners (#5328)
      * Update po files from Croudin sources. (#5330)
      * Use consistent Python in MacOS GitHub runner (#5331)
      * Fix CI for Windows GitHub runner (#5335)
      * Fix lookup flags parsing (#5338)
      * Fixes (#5332): glyph file names uXXXXX (#5333)
      * make harmonization robust and avoid zero handles after harmonization (#5262)
      * Quiet strict prototypes warnings. (#5313)
      * Fix crash in parsegvar() due to insufficient buffer (#5339)
      * Handle failed iconv conversion. Unhandled execution path was UB, causing a segfault for me (#5329)
      * Fix CMake function _get_git_version() (#5342)
      * Don't require individual tuple encapsulation in fontforge.font.bitmapSizes setter (#5138)
      * nltransform of anchor points (#5345)
      * Fix generateFontPostHook being called instead of generateFontPreHook (#5226)
      * Always set usDefaultChar to 0 (.notdef) (#5242)
      * add font attributes, method to Python docs (#5353)
      * fix segfault triggered by Python del c[i:j] (#5352)
      * Autoselect internal WOFF2 format (#5346)
      * Fix typos in the FAQ (#5355)
      * add font.style_set_names attribute to Python API (#5354)
      * Bulk tester (#5365)
      * Fix Splinefont shell invocation (#5367)
      * Fix the lists of Windows language IDs (#5359)
      * Support suplementary planes in SFD (emojis etc.) (#5364)
      * Remove psaltnames for multi-code-point names (#5305)
      * doc: added missing sudo to installation instructions (#5300)
      * Fix data corruption on SFD reading (#5380)
      * Compare vertical metrics check when generating TTC (#5372)
      * Treat FT_PIXEL_MODE_MONO as 2 grey levels (#5379)
      * Don't attempt to copy anchors into NULL font (#5405)
      * Fix export of supplementary plane characters in font name to TTF (#5396)
      * Defer crowdin update to the end of the pipeline (#5409)
      * Fix generated feature file bugs (#5384)
      * crowdin: update to java 17 (#5447)
      * Remove assert from Python script processor (#5410)
      * Use sysconfig for Python module locations (#5423)
      * Use PyConfig API on Python 3.8 (#5404)
      * Fix resource leak in unParseTTInstrs (#5476)
      * Only install GUI-specific files if ENABLE_GUI is set (#5451)
      * add math device tables to Python API (#5348)
      * Update CI runner to macOS 13 (#5482)
      * Allow hyphen and special characters in Feature File glyph names (#5358)
      * Fix Python font.appendSFNTName() function (#5494)
      * Update mm.c (#5386)
      * Warning rollup (probably some hidden bugs!) from clang trunk (#5492)
      * Fix function PyFFFont_addSmallCaps. (#5519)
      * Make SmallCaps() create symbols (#5517)
      * Segfault fix and complete implementation of Don't generate FFTM tables (#5509)
      * Modernize fixed pitch flag computation (#5506)
      * fix memleak in function utf7toutf8_copy (#5495)
      * Avoid crashes in Python scripts when objects are accessed in invalid state (#5483)
      * Fix CI for Ubuntu 24 (#5531)
      * Bump GitHub CI runner to Ubuntu 22 (#5551)
      * Fix memory corruption in SFUnicodeRanges() (#5537)
      * Add contour draw option to H.Metrics. (#5496)
      * Fix scaling of references in CharView (#5558)
      * Fix TTF validation on load for fixed pitch fonts (#5562)
      * Performance fixes for GSUB/GPOS dumps (#5547)
      * Simple GTK-based dialog with CSS appearance support (#5546)
      * Support Harfbuzz in Metrics View (#5522)
      * Update po files from crowdin translations (#5575)
      * Be more clever about label text in gtextfield (#5583)
      * Add minimal support for GDEF version 1.3 (#5584)
      * Sanitize messages from python (#5589)
      * Fix a crash caused by deleting a glyph with vertical kerning pairs. (#5592)
      * THEME -> GUI_THEME (#5596)
      * Update po translations from Crowdin (#5593)
      * Upgrade to Unicode 16.0.0 (#5594)
      * Fix Linux AppImage (#5599)
      * Upgrade to Unicode 17.0.0 and extend the language and script lists (#5618)
      * Remove X11 and non-Cairo drawing backends (#5612)
      * Add macOS dependency setup script (#5563)
      * Fix hotkeys in BitmapView (#5626)
      * Manually install Inno Setup 6 (#5621)
      * Remove cv->back_img_out_of_date and cv->backimgs (#5625)
      * fix spelling bt -> but (#5636)
      * Fix typos in Python module docs (#5634)

    - Version update to 20230101+git59.770356c9b:

      * Add contour draw option to H.Metrics. (#5496)
      * Fix memory corruption in SFUnicodeRanges() (#5537)
      * Bump GitHub CI runner to Ubuntu 22 (#5551)
      * Fix CI for Ubuntu 24 (#5531)
      * Avoid crashes in Python scripts when objects are accessed in         invalid state (#5483)
      * fix memleak in function utf7toutf8_copy (#5495)
      * Modernize fixed pitch flag computation (#5506)
      * Segfault fix and complete implementation of Don't generate         FFTM tables (#5509)
      * Make SmallCaps() translate symbols, too.  Update         documentation accordingly. (#5517)
      * Fix function PyFFFont_addSmallCaps. (#5519)
      * Warning rollup (probably some hidden bugs!) from clang trunk         (#5492)
      * Update mm.c (#5386)
      * fix memleak in function DlgCreate8 (#5491)
      * Fix Python font.appendSFNTName() function (#5494)
      * Allow hyphen and special characters in Feature File glyph names         (#5358)
      * Update CI runner to macOS 13 (#5482)
      * add math device tables to Python API (#5348)
      * Only install GUI-specific files if ENABLE_GUI is set (#5451)
      * Fix resource leak in unParseTTInstrs (#5476)
      * Use PyConfig API on Python 3.8 (#5404)
      * Use sysconfig for Python module locations (#5423)
      * More crowdin fix
      * Python script shall trigger no asserts (#5410)
      * crowdin: update to java 17 (#5447)
      * try fix crowdin
      * Fix generated feature file bugs (#5384)
      * Defer crowdin update to the end of the pipeline (#5409)
      * Fix export of supplementary plane characters in font name to         TTF (#5396)
      * Don't attempt to copy anchors into NULL font (#5405)
      * Treat FT_PIXEL_MODE_MONO as 2 grey levels (#5379)
      * Compare vertical metrics check when generating TTC (#5372)
      * Fix data corruption on SFD reading (#5380)
      * doc: added missing sudo to installation instructions (#5300)
      * Remove `psaltnames` for multi-code-point names (#5305)
      * Support suplementary planes in SFD (emojis etc.) (#5364)
      * Fix the lists of Windows language IDs (#5359)
      * fix splinefont shell command injection (#5367)
      * Bulk tester (#5365)
      * add `font.style_set_names` attribute to Python API (#5354)
      * Fix typos in the FAQ (#5355)
      * Autoselect internal WOFF2 format (#5346)
      * fix segfault triggered by Python `del c[i:j]` (#5352)
      * add `font` attributes, method to Python docs (#5353)
      * Always set `usDefaultChar` to 0 (.notdef) (#5242)
      * Fix generateFontPostHook being called instead of         generateFontPreHook (#5226)
      * nltransform of anchor points (#5345)
      * Don't require individual tuple encapsulation in         fontforge.font.bitmapSizes setter (#5138)
      * Fix CMake function _get_git_version() (#5342)
      * Handle failed iconv conversion. Unhandled execution path was         UB, causing a segfault for me (#5329)
      * Fix crash in parsegvar() due to insufficient buffer (#5339)
      * Quiet strict prototypes warnings. (#5313)
      * harmonizing can now no longer produce zero handles, the         computation of harmonization is now numerically robust (#5262)
      * Fix glyph file names uXXXXX (#5333)
      * Fix lookup flags parsing (#5338)
      * Duplicate libfontforge.dll for py and pyhook tests. (#5335)
      * Use consistent Python in MacOS GitHub runner (#5331)
      * Update po files from Croudin sources after fixing problems
      * Fix GinHub CI runners (#5328)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2025:20174-1 advisory.

    - CVE-2025-50949: Fixed memory leak in function DlgCreate8 (bsc#1252652).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2025:4353-1 advisory.

    - CVE-2025-50949: Fixed a memory leak in the DlgCreate8 function. (bsc#1252652)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2025:0855 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2025-50949:
    FontForge v20230101 was discovered to contain a memory leak via the component DlgCreate8.

Tenable has extracted the preceding description block directly from the Tencent Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-1262 advisory.

    FontForge v20230101 was discovered to contain a memory leak via the component DlgCreate8. (CVE-2025-50949)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of fontforge installed on the remote host is prior to 20120731b-13. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2025-3063 advisory.

    FontForge v20230101 was discovered to contain a memory leak via the component DlgCreate8. (CVE-2025-50949)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 41 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-cb6d4788a8 advisory.

    CVE-2025-50949

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-6e501740b2 advisory.

    CVE-2025-50949

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - FontForge v20230101 was discovered to contain a memory leak via the component DlgCreate8. (CVE-2025-50949)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Severity
302272	Unity Linux 20.1070e Security Update: fontforge (UTSA-2026-006171)	Nessus	Unity Linux Local Security Checks	medium
299570	SUSE SLES16 Security Update : fontforge (SUSE-SU-2026:20435-1)	Nessus	SuSE Local Security Checks	high
299358	openSUSE 16 Security Update : fontforge (openSUSE-SU-2026:20235-1)	Nessus	SuSE Local Security Checks	high
279665	openSUSE 16 Security Update : fontforge (openSUSE-SU-2025:20174-1)	Nessus	SuSE Local Security Checks	medium
278180	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : fontforge (SUSE-SU-2025:4353-1)	Nessus	SuSE Local Security Checks	medium
275894	TencentOS Server 4: fontforge (TSSA-2025:0855)	Nessus	Tencent Local Security Checks	medium
274672	Amazon Linux 2023 : fontforge, fontforge-devel (ALAS2023-2025-1262)	Nessus	Amazon Linux Local Security Checks	medium
274645	Amazon Linux 2 : fontforge, --advisory ALAS2-2025-3063 (ALAS-2025-3063)	Nessus	Amazon Linux Local Security Checks	medium
274360	Fedora 41 : fontforge (2025-cb6d4788a8)	Nessus	Fedora Local Security Checks	medium
274357	Fedora 42 : fontforge (2025-6e501740b2)	Nessus	Fedora Local Security Checks	medium
271723	Linux Distros Unpatched Vulnerability : CVE-2025-50949	Nessus	Misc.	medium

Detections

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CVE-2025-50949

medium

Tenable Plugins

medium

high

high

medium

medium

medium

medium

medium

medium

medium

medium