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Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : Ghostscript vulnerabilities (USN-7378-1)

critical Nessus Plugin ID 233470

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Synopsis

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

Description

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7378-1 advisory.

 It was discovered that Ghostscript incorrectly serialized DollarBlend in certain fonts. An attacker could use this issue to cause Ghostscript to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2025-27830)

 It was discovered that Ghostscript incorrectly handled the DOCXWRITE TXTWRITE device. An attacker could use this issue to cause Ghostscript to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 24.10.
 (CVE-2025-27831)

 It was discovered that Ghostscript incorrectly handled the NPDL device. An attacker could use this issue to cause Ghostscript to crash, resulting in a denial of service, or possibly execute arbitrary code.
 (CVE-2025-27832)

 It was discovered that Ghostscript incorrectly handled certain long TTF file names. An attacker could use this issue to cause Ghostscript to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 24.04 LTS and Ubuntu 24.10. (CVE-2025-27833)

 It was discovered that Ghostscript incorrectly handled oversized Type 4 functions in certain PDF documents. An attacker could use this issue to cause Ghostscript to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 24.10. (CVE-2025-27834)

 It was discovered that Ghostscript incorrectly handled converting certain glyphs to Unicode. An attacker could use this issue to cause Ghostscript to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2025-27835)

 It was discovered that Ghostscript incorrectly handled the BJ10V device. An attacker could use this issue to cause Ghostscript to crash, resulting in a denial of service, or possibly execute arbitrary code.
 (CVE-2025-27836)

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-7378-1

Plugin Details

Severity: Critical

ID: 233470

File Name: ubuntu_USN-7378-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 3/28/2025

Updated: 9/3/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.6

Temporal Score: 4.9

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

CVSS Score Source: CVE-2025-27834

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

CVSS Score Source: CVE-2025-27836

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libgs9, p-cpe:/a:canonical:ubuntu_linux:ghostscript-x, p-cpe:/a:canonical:ubuntu_linux:libgs9-common, p-cpe:/a:canonical:ubuntu_linux:libgs-dev, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.10, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:ghostscript, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libgs-common, p-cpe:/a:canonical:ubuntu_linux:libgs10, p-cpe:/a:canonical:ubuntu_linux:libgs10-common

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/27/2025

Vulnerability Publication Date: 3/25/2025

Reference Information

CVE: CVE-2025-27830, CVE-2025-27831, CVE-2025-27832, CVE-2025-27833, CVE-2025-27834, CVE-2025-27835, CVE-2025-27836

IAVB: 2025-B-0043

USN: 7378-1