A flaw was found in GIMP. A signed integer overflow vulnerability exists in the `file-fli` plugin when processing FLI image files. This occurs due to an incorrect calculation during memory allocation for image buffers, where the multiplication of image width and height can exceed the maximum integer value. A remote attacker could exploit this by tricking a user into opening a specially crafted FLI file, leading to the application crashing and resulting in a denial of service.

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1787683852 advisory.

  - A flaw was found in GIMP. A signed integer overflow vulnerability exists in the `file-fli` plugin when     processing FLI image files. This occurs due to an incorrect calculation during memory allocation for image     buffers, where the multiplication of image width and height can exceed the maximum integer value. A remote     attacker could exploit this by tricking a user into opening a specially crafted FLI file, leading to the     application crashing and resulting in a denial of service. (CVE-2026-59088)

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

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1787682600 advisory.

  - A flaw was found in GIMP. A signed integer overflow vulnerability exists in the `file-fli` plugin when     processing FLI image files. This occurs due to an incorrect calculation during memory allocation for image     buffers, where the multiplication of image width and height can exceed the maximum integer value. A remote     attacker could exploit this by tricking a user into opening a specially crafted FLI file, leading to the     application crashing and resulting in a denial of service. (CVE-2026-59088)

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

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1787682600 advisory.

  - A flaw was found in GIMP. A signed integer overflow vulnerability exists in the `file-fli` plugin when     processing FLI image files. This occurs due to an incorrect calculation during memory allocation for image     buffers, where the multiplication of image width and height can exceed the maximum integer value. A remote     attacker could exploit this by tricking a user into opening a specially crafted FLI file, leading to the     application crashing and resulting in a denial of service. (CVE-2026-59088)

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 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4309-1 advisory.

    Security issues fixed:

    - CVE-2026-59088: denial of service via signed integer overflow in FLI file processing (bsc#1274837).
    - CVE-2026-59090: arbitrary code execution in PSD plugin due to unsigned underflow (bsc#1274840).
    - CVE-2026-66757: signed integer overflow in `file-sgi` causes the plugin to crash when RLE-compressed SGI     images are       processed (bsc#1273151).
    - CVE-2026-78465: 32-bit integer overflow in PCX image memory calculations can cause undersized heap     allocations       (bsc#1277378).
    - CVE-2026-80101: independent header field validation in the XWD loader can cause heap out-of-bounds reads       (bsc#1276911).

    Non security issues fixed:

    - RLE-compressed SGI files are written with a bad offset table and 57 of 144 scanlines fail to decode, on     the patched       and the released build alike (bsc#1279838).
    - XWD bytes-per-line guard can never fire, and load_xwd_f1_d24_b1() still allocates the unchecked header     field       (bsc#1279839).

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 version of gimp installed on the remote host is prior to 2.8.22-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2GIMP-2026-019 advisory.

    A flaw was found in GIMP. A signed integer overflow vulnerability exists in the `file-fli` plugin when     processing FLI image files. This occurs due to an incorrect calculation during memory allocation for image     buffers, where the multiplication of image width and height can exceed the maximum integer value. A remote     attacker could exploit this by tricking a user into opening a specially crafted FLI file, leading to the     application crashing and resulting in a denial of service. (CVE-2026-59088)

    A flaw was found in GIMP's PSD file format plugin. This vulnerability, an unsigned integer underflow in     the `block_rem` variable, occurs when a user opens a specially crafted `.psd` image file. The underflow     leads to parser confusion, enabling an attacker to inject arbitrary data as layer resource blocks. This     can ultimately result in arbitrary code execution, allowing the attacker to run malicious code on the     victim's system. (CVE-2026-59090)

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 Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6470 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6470-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     August 27, 2026                       https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : gimp     CVE ID         : CVE-2026-18301 CVE-2026-18302 CVE-2026-18303 CVE-2026-18304                      CVE-2026-18305 CVE-2026-18306 CVE-2026-18307 CVE-2026-18308                      CVE-2026-42170 CVE-2026-58379 CVE-2026-58380 CVE-2026-58381                      CVE-2026-58384 CVE-2026-59088 CVE-2026-59090 CVE-2026-66758                      CVE-2026-66759

    Several vulnerabilities were discovered in GIMP, the GNU Image     Manipulation Program, which could result in denial of service or     potentially the execution of arbitrary code if malformed PSP, TIFF,     DDS, PSD, SGI, FLI, FITS or ICNS files are opened.

    For the stable distribution (trixie), these problems have been fixed in     version 3.0.4-3+deb13u10.

    We recommend that you upgrade your gimp packages.

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

    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 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-2026:3688-1 advisory.

    - CVE-2026-59088: GIMP: Denial of service via signed integer overflow in FLI file processing     (bsc#1274837).
    - CVE-2026-59090: GIMP: Arbitrary code execution in PSD plugin due to unsigned underflow (bsc#1274840).

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

  - A flaw was found in GIMP. A signed integer overflow vulnerability exists in the `file-fli` plugin when     processing FLI image files. This occurs due to an incorrect calculation during memory allocation for image     buffers, where the multiplication of image width and height can exceed the maximum integer value. A remote     attacker could exploit this by tricking a user into opening a specially crafted FLI file, leading to the     application crashing and resulting in a denial of service. (CVE-2026-59088)

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

ID	Name	Product	Family	Type	Severity
352472	AlmaLinux 9.2 [TuxCare] Security Update: gimp / gimp-devel / gimp-devel-tools / gimp-libs (ALMALINUX9.2:CLSA-2026:1787683852)	Nessus	Alma Linux Local Security Checks	Local	medium
352048	AlmaLinux 9.6 [TuxCare] Security Update: gimp / gimp-devel / gimp-devel-tools / gimp-libs (ALMALINUX9.6:CLSA-2026:1787682600)	Nessus	Alma Linux Local Security Checks	Local	medium
352015	Rocky Linux 9.6 [TuxCare] Security Update: gimp / gimp-devel / gimp-devel-tools / gimp-libs (ALMALINUX9.6:CLSA-2026:1787682600)	Nessus	Rocky Linux Local Security Checks	Local	medium
349606	SUSE SLED15: gimp / gimp-devel / gimp-lang / gimp-plugin-aa / libgimp-2_0-0 / etc (SUSE-SU-2026:4309-1)	Nessus	SuSE Local Security Checks	Local	critical
341902	Amazon Linux 2 : gimp, --advisory ALAS2GIMP-2026-019 (ALASGIMP-2026-019)	Nessus	Amazon Linux Local Security Checks	Local	critical
341055	Debian dsa-6470 : gimp - security update	Nessus	Debian Local Security Checks	Local	critical
339756	SUSE SLED15: gimp / gimp-devel / gimp-lang / gimp-plugin-aa / libgimp-2_0-0 / etc (SUSE-SU-2026:3688-1)	Nessus	SuSE Local Security Checks	Local	critical
333619	Linux Distros Unpatched Vulnerability : CVE-2026-59088	Nessus	Misc.	Local	medium

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