Description
lppasswd in CUPS 1.1.22 ignores write errors when modifying the CUPS passwd file, which allows local users to corrupt the file by filling the associated file system and triggering the write errors.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | cups | 1.1.22-2 | — |
| Debian 13 | cups | 1.1.22-2 | — |
| Debian 12 | cups | 1.1.22-2 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | cups +2 | 1:1.1.22-0.rc1.9.6 | RHSA-2005:053 |
| RHEL 3 | cups +2 | 1:1.1.17-13.3.22 | RHSA-2005:013 |
Advisories 2
- RHSA-2005:053 Red Hat Security Advisory: CUPS security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2005:013 Red Hat Security Advisory: cups security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- RHSA-2005:013 vendor-advisory
- oval:org.mitre.oval:def:10398 vdb-entry signature
- MDKSA-2005:008 vendor-advisory
- RHSA-2005:053 vendor-advisory
- USN-50-1 vendor-advisory
- cups-lppasswd-passwd-truncate(18606) vdb-entry
- GLSA-200412-25 vendor-advisory
- http://tigger.uic.edu/~jlongs2/holes/cups2.txt