Description
CUPS before 1.1.19 allows remote attackers to cause a denial of service via a partial printing request to the IPP port (631), which does not time out.
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 | 1.1.19final-1 | — |
| Debian 13 | cups | 1.1.19final-1 | — |
| Debian 12 | cups | 1.1.19final-1 | — |
| Debian 3.0 | cupsys | 1.1.14-5 | DSA-317 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- CUPS 1.1.x - Cupsd Request Method Denial of Service EDB-22619 · dos · May 20, 2003 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- DSA-317 cupsys - denial of service Debian Security (DSA / DLA) · Mar 9, 2026
References
- 20030529 [slackware-security] CUPS DoS vulnerability fixed (SSA:2003-149-01) mailing-list
- TLSA-2003-33 vendor-advisory
- MDKSA-2003:062 vendor-advisory
- oval:org.mitre.oval:def:6 vdb-entry signature
- CLSA-2003:678 vendor-advisory
- 7637 vdb-entry
- DSA-317 vendor-advisory
- SuSE-SA:2003:028 vendor-advisory
- RHSA-2003:171 vendor-advisory