CVE-2023-4504: Debian Linux

High severity, CVSS 7.0. EPSS: 0.7% chance of exploitation in the next 30 days.

Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are susceptible to a heap-based buffer overflow and possibly code execution. This issue has been fixed in CUPS version 2.4.7, released in September of 2023.

Affected products

• Debian Debian Linux: version 10.0 only
• Fedoraproject Fedora: version 37 only; version 38 only; version 39 only
• Openprinting Cups: before 2.4.7 (fixed in 2.4.7)
• Openprinting Libppd: version 2.0 only

Published 2023-09-21. Last modified 2026-06-17.