An integer overflow in the tt_var_load_item_variation_store function of the Freetype library in versions 2.13.2 and 2.13.3 may allow for an out of bounds read operation when parsing HVAR/VVAR/MVAR tables in OpenType variable fonts. This issue is fixed in version 2.14.2.

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6168 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6168-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     March 18, 2026                        https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : freetype     CVE ID         : CVE-2026-23865

    It was discovered that an integer overflow in the Freetype font engine     could result in information disclosure or denial of service.

    The oldstable distribution (bookworm) is not affected.

    For the stable distribution (trixie), this problem has been fixed in     version 2.13.3+dfsg-1+deb13u1.

    We recommend that you upgrade your freetype packages.

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

    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 this issue but has instead relied only on the application's self-reported version number.

The remote Ubuntu 24.04 LTS / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-8086-1 advisory.

    It was discovered that FreeType did not correctly handle certain integer arithmetic. An attacker could     possibly use this issue to leak sensitive information.

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 version of CBL-Mariner Releases installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2026-23865 advisory.

  - An integer overflow in the tt_var_load_item_variation_store function of the Freetype library in versions     2.13.2 and 2.13.3 May allow for an out of bounds read operation when parsing HVAR/VVAR/MVAR tables in     OpenType variable fonts. This issue is fixed in version 2.14.2. (CVE-2026-23865)

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 CBL-Mariner Releases installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2026-23865 advisory.

  - An integer overflow in the tt_var_load_item_variation_store function of the Freetype library in versions     2.13.2 and 2.13.3 May allow for an out of bounds read operation when parsing HVAR/VVAR/MVAR tables in     OpenType variable fonts. This issue is fixed in version 2.14.2. (CVE-2026-23865)

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.

  - An integer overflow in the tt_var_load_item_variation_store function of the Freetype library in versions     2.13.2 and 2.13.3 may allow for an out of bounds read operation when parsing HVAR/VVAR/MVAR tables in     OpenType variable fonts. This issue is fixed in version 2.14.2. (CVE-2026-23865)

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

ID	Name	Product	Family	Severity
302916	Debian dsa-6168 : freetype2-demos - security update	Nessus	Debian Local Security Checks	medium
302217	Ubuntu 24.04 LTS / 25.10 : FreeType vulnerability (USN-8086-1)	Nessus	Ubuntu Local Security Checks	medium
301815	CBL Mariner 2.0 Security Update: CBL-Mariner Releases (CVE-2026-23865)	Nessus	MarinerOS Local Security Checks	medium
301814	Azure Linux 3.0 Security Update: CBL-Mariner Releases (CVE-2026-23865)	Nessus	Azure Linux Local Security Checks	medium
300295	Linux Distros Unpatched Vulnerability : CVE-2026-23865	Nessus	Misc.	medium

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