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Ubuntu 25.10 / 26.04 LTS : Papers vulnerability (USN-8321-1)

high Nessus Plugin ID 317469

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8321-1 advisory.

 It was discovered that Papers incorrectly handled PDF /GoToR actions. If a user were tricked into opening a specially crafted PDF file, an attacker could use this issue to manipulate command lines and possibly 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-8321-1

Plugin Details

Severity: High

ID: 317469

File Name: ubuntu_USN-8321-1.nasl

Version: 1.2

Type: Local

Agent: unix

Published: 5/29/2026

Updated: 6/12/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

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: p-cpe:/a:canonical:ubuntu_linux:libppsview-4.0-5, cpe:/o:canonical:ubuntu_linux:25.10, p-cpe:/a:canonical:ubuntu_linux:libppsview-4.0-4, p-cpe:/a:canonical:ubuntu_linux:papers, p-cpe:/a:canonical:ubuntu_linux:libppsdocument-4.0-6, p-cpe:/a:canonical:ubuntu_linux:gir1.2-papers-4.0, p-cpe:/a:canonical:ubuntu_linux:papers-common, p-cpe:/a:canonical:ubuntu_linux:libpapers-dev, p-cpe:/a:canonical:ubuntu_linux:libppsdocument-4.0-5, cpe:/o:canonical:ubuntu_linux:26.04:-:lts

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: 5/27/2026

Vulnerability Publication Date: 5/19/2026

Reference Information

CVE: CVE-2026-46529

USN: 8321-1