A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit 0b56545 and Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-a436c41faf advisory.

    Update to libraw-0.22.1.

    ----

    Backport fixes for CVE-2026-5318 and CVE-2026-5342.


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 SUSE Linux SLES15 / SLES_SAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1556-1 advisory.

    - CVE-2026-5342: out-of-bounds read via `LibRaw::nikon_load_padded_packed_raw` (bsc#1261499).
    - CVE-2026-20884: integer overflow and heap buffer overflow via `deflate_dng_load_raw` (bsc#1261671).
    - CVE-2026-20889: heap-based buffer overflow in `x3f_thumb_loader`(bsc#1261672).
    - CVE-2026-20911: heap-based buffer overflow in `HuffTable::initval`(bsc#1261673).
    - CVE-2026-21413: heap-based buffer overflow in `lossless_jpeg_load_raw` (bsc#1261674).
    - CVE-2026-24660: heap-based buffer overflow in `x3f_load_huffman` (bsc#1261676).

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-2026:1555-1 advisory.

    - CVE-2026-5342: out-of-bounds read via `LibRaw::nikon_load_padded_packed_raw` (bsc#1261499).
    - CVE-2026-20884: integer overflow and heap buffer overflow via `deflate_dng_load_raw` (bsc#1261671).
    - CVE-2026-20889: heap-based buffer overflow in `x3f_thumb_loader`(bsc#1261672).
    - CVE-2026-20911: heap-based buffer overflow in `HuffTable::initval`(bsc#1261673).
    - CVE-2026-21413: heap-based buffer overflow in `lossless_jpeg_load_raw` (bsc#1261674).
    - CVE-2026-24450: integer overflow and heap buffer overflow via `uncompressed_fp_dng_load_raw`     (bsc#1261675).
    - CVE-2026-24660: heap-based buffer overflow in `x3f_load_huffman` (bsc#1261676).

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 openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20574-1 advisory.

    - CVE-2026-5342: crafted TIFF/NEF file can cause an out-of-bounds read (bsc#1261499).
    - CVE-2026-20884: integer overflow vulnerability in the deflate_dng_load_raw (bsc#1261671).
    - CVE-2026-20889: heap-based buffer overflow vulnerability in the x3f_thumb_loader (bsc#1261672).
    - CVE-2026-20911: heap-based buffer overflow vulnerability in the HuffTable: initval (bsc#1261673).
    - CVE-2026-21413: heap-based buffer overflow vulnerability in the lossless_jpeg_load_raw (bsc#1261674).
    - CVE-2026-24450: integer overflow vulnerability in uncompressed_fp_dng_load_raw (bsc#1261675).
    - CVE-2026-24660: heap-based buffer overflow vulnerability in the x3f_load_huffman (bsc#1261676).

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 a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1438-1 advisory.

    - CVE-2026-20911: heap-based buffer overflow in `HuffTable::initval`(bsc#1261673).
    - CVE-2026-21413: heap-based buffer overflow in `lossless_jpeg_load_raw` (bsc#1261674).
    - CVE-2026-24660: heap-based buffer overflow in `x3f_load_huffman` (bsc#1261676).

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 heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit     0b56545 and Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An     attacker can provide a malicious file to trigger this vulnerability. (CVE-2026-20911)

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

ID	Name	Product	Family	Type	Severity
310541	Fedora 44 : mingw-LibRaw (2026-a436c41faf)	Nessus	Fedora Local Security Checks	Local	medium
310063	SUSE SLES15 Security Update : libraw (SUSE-SU-2026:1556-1)	Nessus	SuSE Local Security Checks	Local	medium
310058	SUSE SLED15 / SLES15 Security Update : libraw (SUSE-SU-2026:1555-1)	Nessus	SuSE Local Security Checks	Local	medium
309150	openSUSE 16 Security Update : libraw (openSUSE-SU-2026:20574-1)	Nessus	SuSE Local Security Checks	Local	medium
307424	SUSE SLED15 / SLES15 Security Update : libraw (SUSE-SU-2026:1438-1)	Nessus	SuSE Local Security Checks	Local	critical
305250	Linux Distros Unpatched Vulnerability : CVE-2026-20911	Nessus	Misc.	Local	high

Detections

Analytics

CVE-2026-20911

high

Tenable Plugins

medium

medium

medium

medium

critical

high