CVE-2026-34979
OpenPrinting CUPS: Heap overflow in `get_options()`
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
12th
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.
| CWE | CWE-122 |
| Vendor | openprinting |
| Product | cups |
| Published | Apr 3, 2026 |
| Last Updated | Apr 7, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
OpenPrinting / cups
<= 2.4.16