Little CMS (lcms2) 2.16 through 2.18 before 2.19 has an integer overflow in ParseCube in cmscgats.c.

The remote Ubuntu 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8250-1 advisory.

    It was discovered that Little CMS incorrectly handled certain malformed ICC profiles. An attacker could     possibly use this issue to cause Little CMS to crash, resulting in a denial of service.

Tenable has extracted the preceding description block directly from the Ubuntu 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 Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6262 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6262-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     May 10, 2026                          https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : lcms2     CVE ID         : CVE-2026-41254 CVE-2026-42798

    Two integer overflows were discovered in the LittleCMS 2 colour     management library.

    For the oldstable distribution (bookworm), this problem has been fixed     in version 2.14-2+deb12u1.

    For the stable distribution (trixie), this problem has been fixed in     version 2.16-2+deb13u2.

    We recommend that you upgrade your lcms2 packages.

    For the detailed security status of lcms2 please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/lcms2

    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.

  - Little CMS (lcms2) 2.16 through 2.18 before 2.19 has an integer overflow in ParseCube in cmscgats.c.
    (CVE-2026-42798)

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

ID	Name	Product	Family	Severity
314204	Ubuntu 25.10 / 26.04 LTS : Little CMS vulnerability (USN-8250-1)	Nessus	Ubuntu Local Security Checks	medium
313713	Debian dsa-6262 : liblcms2-2 - security update	Nessus	Debian Local Security Checks	high
311559	Linux Distros Unpatched Vulnerability : CVE-2026-42798	Nessus	Misc.	medium

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CVE-2026-42798

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Tenable Plugins

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medium