CVE-2026-34979
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductOpenprinting Cups
PublishedApr 3, 2026
First seenApr 3, 2026
Weakness typeCWE-122CWE-122
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openprinting cups | v ≤ 2.4.16 | — |
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