🛡️ CVE-2026-64611

🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-835 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2026-64611 is classified as CWE-835: Infinite Loop. A loop condition can never become false for some inputs, hanging the process.

Affected software

CVE-2026-64611 is recorded against 1 package.

  • unknown

Timeline and source

Published on 23 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

access.redhat.com
bugzilla.redhat.com
github.com

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-835
Public Exploit ✅ No
Source NVD
Published 2026-07-23
Updated 2026-08-11
Modified 2026-07-23
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

Similar Threats

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