Bug 2454946 (CVE-2026-34979) - CVE-2026-34979 cups: OpenPrinting CUPS: Denial of Service via heap-based buffer overflow in job attribute processing
Summary: CVE-2026-34979 cups: OpenPrinting CUPS: Denial of Service via heap-based buff...
Keywords:
Status: NEW
Alias: CVE-2026-34979
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2454994
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-03 22:01 UTC by OSIDB Bzimport
Modified: 2026-04-03 23:15 UTC (History)
1 user (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-04-03 22:01:19 UTC 
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.
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