Description
Common Unix Printing System (CUPS) 1.1.14 through 1.1.17 does not properly check the return values of various file and socket operations, which could allow a remote attacker to cause a denial of service (resource exhaustion) by causing file descriptors to be assigned and not released, as demonstrated by fanta.
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 | 1.1.18-1 | — |
| Debian 13 | cups | 1.1.18-1 | — |
| Debian 12 | cups | 1.1.18-1 | — |
| Debian 3.0 | cupsys | 1.1.14-4.3 | DSA-232 |
Advisories 1
- DSA-232 cupsys - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- 20021219 iDEFENSE Security Advisory 12.19.02: Multiple Security Vulnerabilities in Common Unix Printing System (CUPS) mailing-list
- CLSA-2003:702 vendor-advisory
- DSA-232 vendor-advisory
- SuSE-SA:2003:002 vendor-advisory
- http://www.idefense.com/advisory/12.19.02.txt
- RHSA-2002:295 vendor-advisory
- 20021219 iDEFENSE Security Advisory 12.19.02: Multiple Security Vulnerabilities in Common Unix Printing System (CUPS) mailing-list
- MDKSA-2003:001 vendor-advisory
- 6440 vdb-entry
- cups-file-descriptor-dos(10912) vdb-entry