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Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS : LibRaw vulnerabilities (USN-8522-1)

medium Nessus Plugin ID 326248

Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8522-1 advisory.

 It was discovered that LibRaw incorrectly handled certain Nikon RAW image files. An attacker could possibly use this issue to cause LibRaw to crash, resulting in a denial of service. (CVE-2026-5342)

 It was discovered that LibRaw had an integer overflow in its DNG image loader. An attacker could possibly use this issue to cause LibRaw to crash, resulting in a denial of service, or execute arbitrary code.
 (CVE-2026-20884)

 It was discovered that LibRaw incorrectly handled certain X3F thumbnail data. An attacker could possibly use this issue to cause LibRaw to crash, resulting in a denial of service, or execute arbitrary code.
 (CVE-2026-20889)

 It was discovered that LibRaw had a heap-based buffer overflow in its lossless JPEG image loader. An attacker could possibly use this issue to cause LibRaw to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-21413)

 It was discovered that LibRaw had an integer overflow in its uncompressed floating-point DNG image loader.
 An attacker could possibly use this issue to cause LibRaw to crash, resulting in a denial of service, or execute arbitrary code. This issue only affected Ubuntu 24.04 LTS and Ubuntu 25.04. (CVE-2026-24450)

 It was discovered that LibRaw had a heap-based buffer overflow in its X3F Huffman decoder. An attacker could possibly use this issue to cause LibRaw to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-24660)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-8522-1

Plugin Details

Severity: Medium

ID: 326248

File Name: ubuntu_USN-8522-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/10/2026

Updated: 7/10/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.97

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2026-5342

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2026-24450

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 2.7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libraw-bin, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libraw23t64, p-cpe:/a:canonical:ubuntu_linux:libraw-dev, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libraw20

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/9/2026

Vulnerability Publication Date: 4/2/2026

Reference Information

CVE: CVE-2026-20884, CVE-2026-20889, CVE-2026-21413, CVE-2026-24450, CVE-2026-24660, CVE-2026-5342

IAVA: 2026-A-0298

USN: 8522-1