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Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS : libarchive vulnerability (USN-8902-1)

low Nessus Plugin ID 365458

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8902-1 advisory.

 It was discovered that libarchive had a signed integer overflow in its ZIP writer when handling encrypted entries with sizes near the maximum value. An attacker could possibly use this issue to cause libarchive to crash 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 libarchive-tools, libarchive13 and / or libarchive13t64 packages.

See Also

https://ubuntu.com/security/notices/USN-8902-1

Plugin Details

Severity: Low

ID: 365458

File Name: ubuntu_USN-8902-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/13/2026

Updated: 10/13/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Low

Base Score: 1.2

Temporal Score: 0.9

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

CVSS Score Source: CVE-2026-16517

CVSS v3

Risk Factor: Low

Base Score: 2.9

Temporal Score: 2.6

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libarchive-tools, p-cpe:/a:canonical:ubuntu_linux:libarchive13, p-cpe:/a:canonical:ubuntu_linux:libarchive13t64

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/8/2026

Vulnerability Publication Date: 7/21/2026

Reference Information

CVE: CVE-2026-16517

IAVA: 2026-A-0921

USN: 8902-1