CVE-2026-107890
cups: cups: Denial of Service via repeated IPP group tags
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 9, 2026
Updated · October 21, 2026
Description
A flaw was found in CUPS. An attacker who can submit print jobs can exploit this issue by sending a crafted request containing repeated Internet Printing Protocol (IPP) group tags. This triggers a NULL pointer dereference during job processing, causing the print scheduler daemon (cupsd) to crash and resulting in a Denial of Service (DoS) across all print queues.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE-476 · NULL Pointer Dereference