Detections
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Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : CUPS vulnerabilities (USN-8405-1)

medium Nessus Plugin ID 320390

Synopsis

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

Description

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8405-1 advisory.

 Ariel Silver discovered that CUPS incorrectly handled username comparisons during authorization checks. A local attacker could possibly use this issue to gain unauthorized access to restricted operations.
 (CVE-2026-27447)

 Asim Viladi Oglu Manizada discovered that CUPS incorrectly handled notify-recipient-uri values in the RSS notifier. A remote attacker could possibly use this issue to overwrite lp-writable files and cause a denial of service. (CVE-2026-34978)

 Jacob Newman discovered that CUPS incorrectly handled filter option strings when processing job attributes. An attacker could use this issue to cause CUPS to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2026-34979)

 Asim Viladi Oglu Manizada discovered that CUPS incorrectly handled page-border values in shared PostScript queues. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2026-34980)

 Asim Viladi Oglu Manizada discovered that CUPS incorrectly handled localhost authentication to attacker- controlled IPP services. A local attacker could possibly use this issue to overwrite arbitrary files and execute arbitrary code. (CVE-2026-34990)

 Tomer Fichman discovered that CUPS incorrectly handled negative job-password-supported values. A local attacker could possibly use this issue to cause CUPS to crash, resulting in a denial of service.
 (CVE-2026-39314)

 Tomer Fichman discovered that CUPS incorrectly handled temporary printer deletion. An attacker could possibly use this issue to cause CUPS to crash, resulting in a denial of service, or to execute arbitrary code. (CVE-2026-39316)

 Tomer Fichman discovered that CUPS incorrectly handled certain malformed SNMP responses. An attacker could possibly use this issue to obtain sensitive information. (CVE-2026-41079)

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-8405-1

Plugin Details

Severity: Medium

ID: 320390

File Name: ubuntu_USN-8405-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/11/2026

Updated: 6/11/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2026-27447

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:A/AC:H/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-2026-34980

CVSS v4

Risk Factor: Medium

Base Score: 6.1

Threat Score: 5.6

Threat Vector: CVSS:4.0/E:P

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

CVSS Score Source: CVE-2026-34980

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:cups-client, p-cpe:/a:canonical:ubuntu_linux:libcupsimage2t64, cpe:/o:canonical:ubuntu_linux:25.10, p-cpe:/a:canonical:ubuntu_linux:libcups2-dev, p-cpe:/a:canonical:ubuntu_linux:libcups2t64, p-cpe:/a:canonical:ubuntu_linux:cups-ppdc, p-cpe:/a:canonical:ubuntu_linux:cups-core-drivers, p-cpe:/a:canonical:ubuntu_linux:cups-daemon, p-cpe:/a:canonical:ubuntu_linux:libcups2, p-cpe:/a:canonical:ubuntu_linux:cups-server-common, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:cups, p-cpe:/a:canonical:ubuntu_linux:libcupsimage2, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:cups-bsd, p-cpe:/a:canonical:ubuntu_linux:cups-common, p-cpe:/a:canonical:ubuntu_linux:cups-ipp-utils, p-cpe:/a:canonical:ubuntu_linux:libcupsimage2-dev

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/8/2026

Vulnerability Publication Date: 4/3/2026

Reference Information

CVE: CVE-2026-27447, CVE-2026-34978, CVE-2026-34979, CVE-2026-34980, CVE-2026-34990, CVE-2026-39314, CVE-2026-39316, CVE-2026-41079

USN: 8405-1