Description
Sympa before 5.4 allows remote attackers to cause a denial of service (daemon crash) via an e-mail message with a malformed value of the Content-Type header and unspecified other headers. NOTE: some of these details are obtained from third party information.
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 | sympa | 5.3.4-4 | — |
| Debian 13 | sympa | 5.3.4-4 | — |
| Debian 12 | sympa | 5.3.4-4 | — |
| Debian 4.0 | sympa | 5.2.3-1.2+etch1 | DSA-1600-1 |
Advisories 1
- DSA-1600-1 sympa - denial of service Debian Security (DSA / DLA) · Mar 9, 2026
References
- ADV-2008-1080 vdb-entry
- 29575 third-party-advisory
- http://sourcesup.cru.fr/tracker/?func=detail&group_id=23&aid=3702&atid=167
- DSA-1600 vendor-advisory
- http://www.sympa.org/distribution/latest-stable/NEWS
- MDVSA-2008:133 vendor-advisory
- sympa-mimeentityhead-dos(41561) vdb-entry
- 28539 vdb-entry
- 30910 third-party-advisory