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Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : Atril vulnerabilities (USN-8839-1)

high Nessus Plugin ID 350974

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8839-1 advisory.

 It was discovered that Atril did not properly sanitize command-line arguments in PDF /GoToR actions. If a user opened a specially crafted PDF file, an attacker could possibly use this issue to execute arbitrary code. (CVE-2026-46529)

 It was discovered that Atril incorrectly handled certain PDF files. An attacker could possibly use this issue to cause a denial of service or to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2019-1010006)

 Andy Nguyen discovered that Atril incorrectly handled certain images. An attacker could possibly use this issue to expose sensitive information. This issue only affected Ubuntu 16.04 LTS. (CVE-2019-11459)

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-8839-1

Plugin Details

Severity: High

ID: 350974

File Name: ubuntu_USN-8839-1.nasl

Version: 1.2

Type: Local

Agent: unix

Published: 9/29/2026

Updated: 9/29/2026

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: High

Score: 7.7

Percentile: 99.04

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2026-46529

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.4

Threat Score: 7

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, 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:atril-common, p-cpe:/a:canonical:ubuntu_linux:atril, p-cpe:/a:canonical:ubuntu_linux:gir1.2-atril, p-cpe:/a:canonical:ubuntu_linux:gir1.2-atrildocument-1.5.0, p-cpe:/a:canonical:ubuntu_linux:gir1.2-atrilview-1.5.0, p-cpe:/a:canonical:ubuntu_linux:libatrildocument3, p-cpe:/a:canonical:ubuntu_linux:libatrildocument3t64, p-cpe:/a:canonical:ubuntu_linux:libatrilview3, p-cpe:/a:canonical:ubuntu_linux:libatrilview3t64

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: 9/28/2026

Vulnerability Publication Date: 5/19/2026

Reference Information

CVE: CVE-2026-46529

USN: 8839-1