CVE-2026-64611

Published: Jul 23, 2026Modified: Aug 19, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: secalert@redhat.com (Secondary)

Description

A flaw was found in libcupsfilters. The cfIEEE1284NormalizeMakeModel() function enters an infinite loop when processing a printer-advertised IEEE-1284 device ID with an empty model field, causing sustained CPU consumption. A network-adjacent attacker could exploit this by broadcasting a specially crafted printer advertisement, leading to denial of service.

Related CWEs

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

References (4)

https://access.redhat.com/errata/RHSA-2026:56965

Source: secalert@redhat.com

https://access.redhat.com/security/cve/CVE-2026-64611

Source: secalert@redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=2502799

Source: secalert@redhat.com

https://github.com/OpenPrinting/libcupsfilters/security/advisories/GHSA-rcq7-rv5g-j3r4

Source: secalert@redhat.com

Timeline

No history available yet.