CVE-2026-34979
5.3
MEDIUM
CVSS 3.1
EPSS 0.03%
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.
How to fix CVE-2026-34979
To remediate CVE-2026-34979, upgrade the affected package to a fixed version below.
- Alpine/cups—upgrade to 2.4.18-r0 or later
- —no fix listed
Is CVE-2026-34979 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.4.18-r0
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |