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Ubuntu 24.04 LTS / 26.04 LTS : librsvg vulnerability (USN-8891-1)

high Nessus Plugin ID 364282

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 24.04 LTS / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8891-1 advisory.

 It was discovered that librsvg incorrectly handled duplicate XML entity declarations while processing SVG documents containing nested XML inclusions. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

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.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-8891-1

Plugin Details

Severity: High

ID: 364282

File Name: ubuntu_USN-8891-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/8/2026

Updated: 10/8/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.51

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-96889

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:gir1.2-rsvg-2.0, p-cpe:/a:canonical:ubuntu_linux:librsvg2-2, p-cpe:/a:canonical:ubuntu_linux:librsvg2-bin, p-cpe:/a:canonical:ubuntu_linux:librsvg2-common, p-cpe:/a:canonical:ubuntu_linux:librsvg2-tests

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/6/2026

Vulnerability Publication Date: 9/23/2026

Reference Information

CVE: CVE-2026-96889

USN: 8891-1