CVE-2025-61915

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to version 2.4.15, a user in the lpadmin group can use the cups web ui to change the config and insert a malicious line. Then the cupsd process which runs as root will parse the new config and cause an out-of-bound write. This issue has been patched in version 2.4.15.

• CWE-124
• CWE-129

• https://github.com/OpenPrinting/cups/commit/db8d560262c22a21ee1e55dfd62fa98d9359bcb0Patch
• https://github.com/OpenPrinting/cups/releases/tag/v2.4.15Release Notes
• https://github.com/OpenPrinting/cups/security/advisories/GHSA-hxm8-vfpq-jrfcExploit, Vendor Advisory
• http://www.openwall.com/lists/oss-security/2025/11/27/5Mailing List, Third Party Advisory
• https://github.com/OpenPrinting/cups/security/advisories/GHSA-hxm8-vfpq-jrfcExploit, Vendor Advisory

Published

Nov 29, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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