libheif is a HEIF and AVIF file format decoder and encoder. From 1.19.0 until 1.23.1, a crafted uncompressed HEIF image using generic zlib unci full-item compression can crash an application that decodes an advertised tile with heif_image_handle_decode_image_tile(). In libheif/codecs/uncompressed/unc_decoder.cc, unc_decoder::fetch_tile_data() computes a large tile offset and unc_decoder::get_compressed_image_data_uncompressed() validates it with range_start_offset plus range_size. For the last advertised tile (4095, 4095), the addition can wrap to zero, bypass the bounds check, and pass an invalid source pointer and a one-terabyte length to memcpy. The observed result is an out-of-bounds read and process crash; opening the file alone does not trigger the issue because tile decoding is required. This issue is fixed in version 1.23.1.

The remote Fedora 46 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-42f5a71cb1 advisory.

    Update to OpenJPH, xevd and xeve.

Tenable has extracted the preceding description block directly from the Fedora 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 Ubuntu 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8649-1 advisory.

    It was discovered that libheif had an integer underflow in the Fraction constructor when a clap transform     was applied twice. An attacker could possibly use this issue to cause libheif to crash, resulting in a     denial of service. (CVE-2026-62289)

    It was discovered that libheif had an out-of-bounds read in uncompressed tile range slicing. An attacker     could possibly use this issue to cause libheif to crash, resulting in a denial of service. This issue only     affected Ubuntu 25.10. (CVE-2026-62292)

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

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

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - libheif is a HEIF and AVIF file format decoder and encoder. From 1.19.0 until 1.23.1, a crafted
    uncompressed HEIF image using generic zlib unci full-item compression can crash an application that
    decodes an advertised tile with heif_image_handle_decode_image_tile(). In
    libheif/codecs/uncompressed/unc_decoder.cc, unc_decoder::fetch_tile_data() computes a large tile offset
    and unc_decoder::get_compressed_image_data_uncompressed() validates it with range_start_offset plus
    range_size. For the last advertised tile (4095, 4095), the addition can wrap to zero, bypass the bounds
    check, and pass an invalid source pointer and a one-terabyte length to memcpy. The observed result is an
    out-of-bounds read and process crash; opening the file alone does not trigger the issue because tile
    decoding is required. This issue is fixed in version 1.23.1. (CVE-2026-62292)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2134 advisory.

    libheif: Integer underflow in Fraction constructor via double clap transform application (CVE-2026-62289)

    libheif: Out-of-bounds read in uncompressed unci tile range slicing (CVE-2026-62292)

Tenable has extracted the preceding description block directly from the tested product 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-2026:21644-1 advisory.

    Update to version 1.23.1 (jsc#PED-16355).

    Security issues fixed:

    - CVE-2026-62289: integer underflow in Fraction constructor via double clap transform application     (bsc#1273079).
    - CVE-2026-62291: heap out-of-bounds write in the uncompressed encoder when writing images with mismatched     auxiliary       alpha dimensions (bsc#1273080).
    - CVE-2026-62292: out-of-bounds read in uncompressed unci tile range slicing (bsc#1273081).
    - CVE-2026-62377: reachable assertion in `HeifContext::get_track()` aborts on a valid-but-empty HEIF     sequence file       (bsc#1273082).
    - Heap out-of-bounds write in the uncompressed encoder for RRGGBB images with interleaved bit-depth `<= 8`       (bsc#1273083).

    Changes for libheif:

    - Version 1.23.1
      - FFmpeg decoder plugin gains AV1, VVC, JPEG, and JPEG 2000/HTJ2K decoding.
      - SVT-AV1 encoder: new `tune=iq` and `ms-ssim` tune parameters.
      - C++ API: added getters/setters for the CLLI and MDCV HDR metadata boxes.
      - Sequence decoder now scales the alpha auxiliary track to the main image size.
      - Fixed pixi box writing for multi-channel images.
      - Corrected the placement of the TAI `clock_type` field into the top 2 bits.
      - Empty/unset plugin directory is no longer scanned.

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 SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3597-1 advisory.

    Update to version 1.23.1 (jsc#PED-16355).

    Security issues fixed:

    - CVE-2026-62289: integer underflow in Fraction constructor via double clap transform application     (bsc#1273079).
    - CVE-2026-62291: heap out-of-bounds write in the uncompressed encoder when writing images with mismatched     auxiliary       alpha dimensions (bsc#1273080).
    - CVE-2026-62292: out-of-bounds read in uncompressed unci tile range slicing (bsc#1273081).
    - CVE-2026-62377: reachable assertion in `HeifContext::get_track()` aborts on a valid-but-empty HEIF     sequence file       (bsc#1273082).
    - Heap out-of-bounds write in the uncompressed encoder for RRGGBB images with interleaved bit-depth `<= 8`       (bsc#1273083).

    Changes for libheif:

    - Version 1.23.1
      - FFmpeg decoder plugin gains AV1, VVC, JPEG, and JPEG 2000/HTJ2K decoding.
      - SVT-AV1 encoder: new `tune=iq` and `ms-ssim` tune parameters.
      - C++ API: added getters/setters for the CLLI and MDCV HDR metadata boxes.
      - Sequence decoder now scales the alpha auxiliary track to the main image size.
      - Fixed pixi box writing for multi-channel images.
      - Corrected the placement of the TAI `clock_type` field into the top 2 bits.
      - Empty/unset plugin directory is no longer scanned.

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 Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6417 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6417-1                   security@debian.org     https://www.debian.org/security/                                  Aron Xu     August 08, 2026                       https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : libheif     CVE ID         : CVE-2025-68431 CVE-2026-32740 CVE-2026-32741 CVE-2026-32882                      CVE-2026-47178 CVE-2026-47247 CVE-2026-47709 CVE-2026-47714                      CVE-2026-48029 CVE-2026-49271 CVE-2026-62289 CVE-2026-62292     Debian Bug     :

    Multiple security issues were discovered in libheif, an ISO/IEC 23008-12     HEIF and AVIF image file format decoder and encoder, which may result in     denial of service, the disclosure of sensitive memory contents or,     potentially, the execution of arbitrary code if a malformed image file is     processed.

    Note that in the fix for CVE-2026-47178, a heap out-of-bounds write in the     uncompressed tile decoder, the affected format combinations are now rejected     with heif_error_Unsupported_feature: uncompressed images with 4:2:0 or 4:2:2     chroma subsampling that are tiled, or that use row or pixel interleave.
    Upstream corrected the offending arithmetic, but only after a restructuring     of the uncompressed decoder that is not present in the version shipped in     the stable distribution. Images in these configurations will no longer     decode.

    For the stable distribution (trixie), these problems have been fixed in     version 1.19.8-1+deb13u1.

    We recommend that you upgrade your libheif packages.

    For the detailed security status of libheif please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/libheif

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

Tenable has extracted the preceding description block directly from the Debian 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 Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - libheif is a HEIF and AVIF file format decoder and encoder. From 1.19.0 until 1.23.1, a crafted     uncompressed HEIF image using generic zlib unci full-item compression can crash an application that     decodes an advertised tile with heif_image_handle_decode_image_tile(). In     libheif/codecs/uncompressed/unc_decoder.cc, unc_decoder::fetch_tile_data() computes a large tile offset     and unc_decoder::get_compressed_image_data_uncompressed() validates it with range_start_offset plus     range_size. For the last advertised tile (4095, 4095), the addition can wrap to zero, bypass the bounds     check, and pass an invalid source pointer and a one-terabyte length to memcpy. The observed result is an     out-of-bounds read and process crash; opening the file alone does not trigger the issue because tile     decoding is required. This issue is fixed in version 1.23.1. (CVE-2026-62292)

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

ID	Name	Product	Family	Type	Severity
366327	Fedora 46 : OpenImageIO / ffmpeg / libheif / mingw-openexr / openjph / xevd / etc (2026-42f5a71cb1)	Nessus	Fedora Local Security Checks	Local	high
365445	Ubuntu 24.04 LTS / 26.04 LTS : libheif vulnerabilities (USN-8649-1)	Nessus	Ubuntu Local Security Checks	Local	high
459391	Echo: libheif: security update to 1.19.8-1+e9	Tenable Cloud Security	Echo Local Security Checks	Local	high
459391	Echo: libheif: security update to 1.19.8-1+e9	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	high
345811	Amazon Linux 2023 : heif-pixbuf-loader, libheif, libheif-devel (ALAS2023-2026-2134)	Nessus	Amazon Linux Local Security Checks	Local	high
341176	openSUSE 16: gdk-pixbuf-loader-libheif / libheif-aom / libheif-dav1d / etc (openSUSE-SU-2026:21644-1)	Nessus	SuSE Local Security Checks	Local	high
335100	SUSE SLED15: gdk-pixbuf-loader-libheif / libheif-aom / libheif-dav1d / etc (SUSE-SU-2026:3597-1)	Nessus	SuSE Local Security Checks	Local	high
333527	Debian dsa-6417 : heif-gdk-pixbuf - security update	Nessus	Debian Local Security Checks	Local	high
333377	Linux Distros Unpatched Vulnerability : CVE-2026-62292	Nessus	Misc.	Local	high

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