Home/CVE/OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to version 2.
CVE

CVE-2025-61915

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to version 2.

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.

MEDIUM · CVSS 6 EPSS 0.00048
Schedule remediation
  • Public exploit or PoC is available
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-124Buffer Underwrite ('Buffer Underflow')
CWE-129Improper Validation of Array Index
▤

Affected Products & Versions

1
openprinting cups< 2.4.15
⚠

Public Exploits & PoCs

1
pocgithub.com · GHSA-hxm8-vfpq-jrfcgithub.com
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumUnix Shell Configuration Modification
▣

Scoring & Timeline

6
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD29 Nov 2025 · 03:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

13
suse-csafSUSE-SU-2026:20528-1
suse-csafSUSE-SU-2026:20535-1
suse-csafopenSUSE-SU-2026:20172-1
suse-csafSUSE-SU-2026:20229-1
suse-csafSUSE-SU-2026:20231-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/OpenPrinting/cups/commit/db8d560262c22a21ee1e55dfd62fa98d9359bcb0Patch
https://github.com/OpenPrinting/cups/releases/tag/v2.4.15Release Notes
http://www.openwall.com/lists/oss-security/2025/11/27/5Mailing ListThird Party Advisory
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