CVE-2026-34979
OpenPrinting CUPS vulnerability analysis and mitigation

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.


SourceNVD

Related OpenPrinting CUPS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-34978MEDIUM6.5
  • OpenPrinting CUPSOpenPrinting CUPS
  • cpe:2.3:a:openprinting:cups
NoYesApr 03, 2026
CVE-2026-34980MEDIUM6.1
  • OpenPrinting CUPSOpenPrinting CUPS
  • cups
NoYesApr 03, 2026
CVE-2026-34979MEDIUM5.3
  • OpenPrinting CUPSOpenPrinting CUPS
  • cups-filesystem
NoYesApr 03, 2026
CVE-2026-34990MEDIUM5
  • OpenPrinting CUPSOpenPrinting CUPS
  • cups-filesystem
NoNoApr 03, 2026
CVE-2026-27447MEDIUM4.8
  • OpenPrinting CUPSOpenPrinting CUPS
  • cups
NoYesApr 03, 2026

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management