Description
Mailman before 2.1.9rc1 allows remote attackers to cause a denial of service via unspecified vectors involving "standards-breaking RFC 2231 formatted headers".
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.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | mailman | 3:2.1.5.1-34.rhel4.5 | RHSA-2006:0600 |
| RHEL 3 | mailman | 3:2.1.5.1-25.rhel3.7 | RHSA-2006:0600 |
Advisories 1
- RHSA-2006:0600 Red Hat Security Advisory: mailman security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- ADV-2006-3446 vdb-entry
- [Mailman-Announce] 20060913 RELEASED: Mailman 2.1.9 mailing-list
- 19831 vdb-entry
- 21837 third-party-advisory
- 22639 third-party-advisory
- 1016808 vdb-entry
- 21879 third-party-advisory
- USN-345-1 vendor-advisory
- GLSA-200609-12 vendor-advisory
- http://svn.sourceforge.net/viewvc/mailman/trunk/mailman/Mailman/Utils.py?r1=7859&r2=7923
- SUSE-SR:2006:025 vendor-advisory
- MDKSA-2006:165 vendor-advisory
- 21792 third-party-advisory
- RHSA-2006:0600 vendor-advisory
- http://sourceforge.net/project/shownotes.php?group_id=103&release_id=444295
- 21732 third-party-advisory
- oval:org.mitre.oval:def:9912 vdb-entry signature
- 22011 third-party-advisory
- mailman-headers-dos(28732) vdb-entry
- 22020 third-party-advisory