CVE-2026-34979 in CUPS
Summary
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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Responsible
GitHub_M
Reservation
03/31/2026
Disclosure
04/04/2026
Status
Confirmed
Entries
VulDB provides additional information and datapoints for this CVE:
| ID | Vulnerability | CWE | Exp | Cou | CVE |
|---|---|---|---|---|---|
| 355212 | OpenPrinting CUPS Attributes heap-based overflow | 122 | Not defined | Not defined | CVE-2026-34979 |