VulnerabilityAnalyzed
CVE-2026-34979
In versions 2.4.16 and prior, there is a heap-based buffer overflow in the CUPS scheduler when building filter option strings from job attribute.
MEDIUM 5.3EPSS 0.38%
Does this matter?
Lower severity and a low EPSS score (0.38%). Track it; it rarely justifies an emergency change on its own.
Description
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, there is a heap-based buffer overflow in the CUPS scheduler when building filter option strings from job attribute. At time of publication, there are no publicly available patches.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 0.38% probability · 31th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-122
- Affected
- openprinting/cups
- Source
- security-advisories@github.com
References
- https://github.com/OpenPrinting/cups/security/advisories/GHSA-6qxf-7jx6-86fhExploit, Vendor Advisory
- https://github.com/OpenPrinting/cups/security/advisories/GHSA-6qxf-7jx6-86fhExploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.