Description
cachemgr.cgi in Squid 3.1.x and 3.2.x, possibly 3.1.22, 3.2.4, and other versions, allows remote attackers to cause a denial of service (resource consumption) via a crafted request. NOTE: this issue is due to an incorrect fix for CVE-2012-5643, possibly involving an incorrect order of arguments or incorrect comparison.
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 | squid | 2.7.STABLE9-2 | — |
| Debian 13 | squid | 2.7.STABLE9-2 | — |
| Debian 12 | squid | 2.7.STABLE9-2 | — |
| Debian 6.0 | squid3 | 3.1.6-1.2+squeeze3 | DSA-2631-1 |
Advisories 1
- DSA-2631-1 squid3 - denial of service Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://www.squid-cache.org/Versions/v3/3.1/changesets/SQUID-2012_1.patch
- DSA-2631 vendor-advisory
- MDVSA-2013:129 vendor-advisory
- USN-1713-1 vendor-advisory
- http://bazaar.launchpad.net/~squid/squid/3.2/revision/11744
- SUSE-SU-2016:1996 vendor-advisory
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0029
- https://bugzilla.redhat.com/show_bug.cgi?id=887962#c9
- openSUSE-SU-2013:1443 vendor-advisory
- http://www.squid-cache.org/Versions/v3/3.2/changesets/SQUID-2012_1.patch
- [scm-commits] 20130125 [squid/f17] CVE-2013-0189: Incomplete fix for the CVE-2012-5643 mailing-list
- 52024 third-party-advisory
- http://bazaar.launchpad.net/~squid/squid/3.2/revision/11743
- 54839 third-party-advisory
- SUSE-SU-2016:2089 vendor-advisory
- 57646 vdb-entry
- openSUSE-SU-2013:1436 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=895972