What is CVE-2026-34979?

CVE-2026-34979 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. OpenPrinting CUPS: Heap overflow in `get_options()`

Which CVE IDs does CVE-2026-34979 cover?

CVE-2026-34979 covers the following CVE IDs: CVE-2026-34979. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-34979?

CVE-2026-34979 has a CVSS v3 base score of 5.3, published by Microsoft Security Response Center (MSRC).

CVE-2026-34979MediumCVSS 5.3

OpenPrinting CUPS: Heap overflow in `get_options()`

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-34979 →