CVE-2026-55467: CUPS fax option values bypass the CVE-2026-34980 control-character sanitizer (incomplete fix)

Overview

Severity

Low (CVSS 2.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-17

EPSS Score

0.17% (percentile: 6.2%)

Affected Products (1)

Other

• 21869-17084

Revision History

• 2026-10-17: Information published.