CVE-2026-55480: CUPS copy_model() creates a predictable PPD tempfile without O_EXCL/O_NOFOLLOW (symlink TOCTOU, lp → root)

Overview

Severity

Medium (CVSS 5.7)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-17

EPSS Score

0.16% (percentile: 4.4%)

Affected Products (1)

Other

• 21869-17084

Revision History

• 2026-10-17: Information published.