CVE-2026-64611 | A flaw was found in libcupsfilters. The cfIEEE1284NormalizeM… | CVSS 7.5 HIGH

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.

Metadata

CVE ID: CVE-2026-64611
State: PUBLISHED
Assigner: redhat
Reserved: 2026-07-20 11:15 UTC
Published: 2026-07-23 10:46 UTC
Last updated: 2026-07-23 20:15 UTC
Primary CWE: CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
Vendor / Product: Red Hat / Red Hat Enterprise Linux 10
Sources: cve.org · NVD

Severity & Metrics

7.5 HIGH CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: partial

Affected products (5)

Vendor	Product	Platform	Versions
Red Hat	Red Hat Enterprise Linux 10	—	—
Red Hat	Red Hat Enterprise Linux 10	—	—
Red Hat	Red Hat Enterprise Linux 7	—	—
Red Hat	Red Hat Enterprise Linux 8	—	—
Red Hat	Red Hat Enterprise Linux 9	—	—

Weakness (CWE)

CWE	Source	Description
CWE-835	cna	Loop with Unreachable Exit Condition ('Infinite Loop')

CVSS scores (1)

Score	Severity	Version	Source	Vector
7.5	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References (3)