Description
Apache SpamAssassin 3.0.1, 3.0.2, and 3.0.3 allows remote attackers to cause a denial of service (CPU consumption and slowdown) via a message with a long Content-Type header without any boundaries.
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 ↗Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | spamassassin | 3.0.4-1.el4 | RHSA-2005:498 |
Advisories 3
- RHSA-2005:498 Red Hat Security Advisory: spamassassin security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-736-2 spamassassin - mail header parsing error Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-736-1 spamassassin - mail header parsing error Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://www.vuxml.org/freebsd/cc4ce06b-e01c-11d9-a8bd-000cf18bbe54.html
- 13978 vdb-entry
- http://bugs.gentoo.org/show_bug.cgi?id=94722
- DSA-736 vendor-advisory
- [spamassassin-announce] 20050615 Denial of Service Vulnerability in Apache SpamAssassin 3.0.1-3.0.3 mailing-list
- GLSA-200506-17 vendor-advisory
- oval:org.mitre.oval:def:10901 vdb-entry signature
- RHSA-2005:498 vendor-advisory
- MDKSA-2005:106 vendor-advisory