Hi,

The following vulnerability was published for libcupsfilters.

CVE-2026-64611[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-64611
https://www.cve.org/CVERecord?id=CVE-2026-64611
[1] https://github.com/OpenPrinting/libcupsfilters/security/advisories/GHSA-rcq7-rv5g-j3r4

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore