Description
cupsd in CUPS 1.3.9 and earlier allows local users, and possibly remote attackers, to cause a denial of service (daemon crash) by adding a large number of RSS Subscriptions, which triggers a NULL pointer dereference. NOTE: this issue can be triggered remotely by leveraging CVE-2008-5184.
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 | 1.3.9-13 | — |
| Debian 13 | cups | 1.3.9-13 | — |
| Debian 12 | cups | 1.3.9-13 | — |
| Debian 5.0 | cups | 1.3.8-1+lenny9 | DSA-2176-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | cups +3 | 1:1.2.4-11.18.el5_2.3 | RHSA-2008:1029 |
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.
Exploit-DB 1
- CUPS 1.3.7 - Cross-Site Request Forgery (Add RSS Subscription) Remote Crash EDB-7150 · dos · Nov 18, 2008 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- RHSA-2008:1029 Red Hat Security Advisory: cups security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-2176-1 cups - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- 7150 exploit
- 33937 third-party-advisory
- oval:org.mitre.oval:def:10586 vdb-entry signature
- [oss-security] 20081120 Re: CVE request: CUPS DoS via RSS subscriptions mailing-list
- [oss-security] 20081119 CVE request: CUPS DoS via RSS subscriptions mailing-list
- [oss-security] 20081119 Re: CVE request: CUPS DoS via RSS subscriptions mailing-list
- http://support.apple.com/kb/HT3438
- APPLE-SA-2009-02-12 vendor-advisory
- DSA-2176 vendor-advisory
- 1021396 vdb-entry
- http://www.gnucitizen.org/blog/pwning-ubuntu-via-cups/
- ADV-2011-0535 vdb-entry
- ADV-2009-0422 vdb-entry
- 32419 vdb-entry
- RHSA-2008:1029 vendor-advisory
- 43521 third-party-advisory
- http://lab.gnucitizen.org/projects/cups-0day
- cups-rss-dos(46684) vdb-entry
- SUSE-SR:2008:026 vendor-advisory
- MDVSA-2009:028 vendor-advisory
- https://bugs.launchpad.net/ubuntu/+source/cups/+bug/298241