The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0648-1 advisory.

    - CVE-2025-12474: a specially crafted file can cause the decoder to read pixel data from uninitialized     allocated memory       (bsc#1258090).
    - CVE-2026-1837: a specially crafted file can cause the decoder to write pixel data to uninitialized     unallocated memory       (bsc#1258091).

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.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1469 advisory.

    A specially-crafted file can cause libjxl's decoder to read pixel data from uninitialized (but allocated)     memory.

    This can be done by causing the decoder to reference an outside-image-bound area in a subsequent patches.
    An incorrect optimization causes the decoder to omit populating those areas. (CVE-2025-12474)

    A specially-crafted file can cause libjxl's decoder to write pixel data to uninitialized unallocated     memory. Soon after that data from another uninitialized unallocated region is copied to pixel data.

    This can be done by requesting color transformation of grayscale images to another grayscale color space.
    Buffers allocated for 1-float-per-pixel are used as if they are allocated for 3-float-per-pixel. That     happens only if LCMS2 is used as CMS engine. There is another CMS engine available (selected by build     flags). (CVE-2026-1837)

    Heap buffer overflow in libvpx. This vulnerability affects Firefox < 147.0.4, Firefox ESR < 140.7.1,     Firefox ESR < 115.32.1, Thunderbird < 140.7.2, and Thunderbird < 147.0.2. (CVE-2026-2447)

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 version of firefox installed on the remote host is prior to 140.7.1-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2FIREFOX-2026-053 advisory.

    A specially-crafted file can cause libjxl's decoder to read pixel data from uninitialized (but allocated)     memory.

    This can be done by causing the decoder to reference an outside-image-bound area in a subsequent patches.
    An incorrect optimization causes the decoder to omit populating those areas. (CVE-2025-12474)

    A specially-crafted file can cause libjxl's decoder to write pixel data to uninitialized unallocated     memory. Soon after that data from another uninitialized unallocated region is copied to pixel data.

    This can be done by requesting color transformation of grayscale images to another grayscale color space.
    Buffers allocated for 1-float-per-pixel are used as if they are allocated for 3-float-per-pixel. That     happens only if LCMS2 is used as CMS engine. There is another CMS engine available (selected by build     flags). (CVE-2026-1837)

    Heap buffer overflow in libvpx. This vulnerability affects Firefox < 147.0.4, Firefox ESR < 140.7.1,     Firefox ESR < 115.32.1, Thunderbird < 140.7.2, and Thunderbird < 147.0.2. (CVE-2026-2447)

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

  - A specially-crafted file can cause libjxl's decoder to write pixel data to uninitialized unallocated     memory. Soon after that data from another uninitialized unallocated region is copied to pixel data. This     can be done by requesting color transformation of grayscale images to another grayscale color space.
    Buffers allocated for 1-float-per-pixel are used as if they are allocated for 3-float-per-pixel. That     happens only if LCMS2 is used as CMS engine. There is another CMS engine available (selected by build     flags). (CVE-2026-1837)

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

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1459 advisory.

    A specially-crafted file can cause libjxl's decoder to read pixel data from uninitialized (but allocated)     memory.

    This can be done by causing the decoder to reference an outside-image-bound area in a subsequent patches.
    An incorrect optimization causes the decoder to omit populating those areas. (CVE-2025-12474)

    A specially-crafted file can cause libjxl's decoder to write pixel data to uninitialized unallocated     memory. Soon after that data from another uninitialized unallocated region is copied to pixel data.

    This can be done by requesting color transformation of grayscale images to another grayscale color space.
    Buffers allocated for 1-float-per-pixel are used as if they are allocated for 3-float-per-pixel. That     happens only if LCMS2 is used as CMS engine. There is another CMS engine available (selected by build     flags). (CVE-2026-1837)

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 version of thunderbird installed on the remote host is prior to 140.7.2-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3190 advisory.

    A specially-crafted file can cause libjxl's decoder to read pixel data from uninitialized (but allocated)     memory.

    This can be done by causing the decoder to reference an outside-image-bound area in a subsequent patches.
    An incorrect optimization causes the decoder to omit populating those areas. (CVE-2025-12474)

    A specially-crafted file can cause libjxl's decoder to write pixel data to uninitialized unallocated     memory. Soon after that data from another uninitialized unallocated region is copied to pixel data.

    This can be done by requesting color transformation of grayscale images to another grayscale color space.
    Buffers allocated for 1-float-per-pixel are used as if they are allocated for 3-float-per-pixel. That     happens only if LCMS2 is used as CMS engine. There is another CMS engine available (selected by build     flags). (CVE-2026-1837)

    Heap buffer overflow in libvpx. This vulnerability affects Firefox < 147.0.4, Firefox ESR < 140.7.1,     Firefox ESR < 115.32.1, Thunderbird < 140.7.2, and Thunderbird < 147.0.2. (CVE-2026-2447)

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.

ID	Name	Product	Family	Published	Updated	Severity
300525	SUSE SLES15 Security Update : libjxl (SUSE-SU-2026:0648-1)	Nessus	SuSE Local Security Checks	3/4/2026	4/14/2026	high
301336	Amazon Linux 2023 : firefox (ALAS2023-2026-1469)	Nessus	Amazon Linux Local Security Checks	3/6/2026	4/14/2026	high
301259	Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2026-053 (ALASFIREFOX-2026-053)	Nessus	Amazon Linux Local Security Checks	3/6/2026	4/14/2026	high
298709	Linux Distros Unpatched Vulnerability : CVE-2026-1837	Nessus	Misc.	2/11/2026	4/14/2026	high
301357	Amazon Linux 2023 : jxl-pixbuf-loader, libjxl, libjxl-devel (ALAS2023-2026-1459)	Nessus	Amazon Linux Local Security Checks	3/6/2026	4/14/2026	high
301275	Amazon Linux 2 : thunderbird, --advisory ALAS2-2026-3190 (ALAS-2026-3190)	Nessus	Amazon Linux Local Security Checks	3/6/2026	4/14/2026	high

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