Description
Apache SpamAssassin before 3.1.8 allows remote attackers to cause a denial of service via long URLs in malformed HTML, which triggers "massive memory usage."
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 | spamassassin | 3.1.7-2 | — |
| Debian 13 | spamassassin | 3.1.7-2 | — |
| Debian 12 | spamassassin | 3.1.7-2 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | spamassassin | 3.1.8-2.el5 | RHSA-2007:0075 |
| RHEL 4 | spamassassin | 3.1.8-2.el4 | RHSA-2007:0074 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | spamassassin | 3.4.6-71.3 | openSUSE-SU-2024:11395-1 |
Advisories 3
- RHSA-2007:0075 Red Hat Security Advisory: spamassassin security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2007:0074 Red Hat Security Advisory: spamassassin security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- openSUSE-SU-2024:11395-1 perl-Mail-SpamAssassin-3.4.6-71.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- http://spamassassin.apache.org/advisories/cve-2007-0451.txt
- 24200 third-party-advisory
- https://issues.rpath.com/browse/RPL-1073
- 24889 third-party-advisory
- MDKSA-2007:049 vendor-advisory
- 24265 third-party-advisory
- FEDORA-2007-241 vendor-advisory
- SUSE-SR:2007:006 vendor-advisory
- oval:org.mitre.oval:def:10018 vdb-entry signature
- FEDORA-2007-242 vendor-advisory
- ADV-2007-0628 vdb-entry
- 22584 vdb-entry
- 24250 third-party-advisory
- 1017666 vdb-entry
- RHSA-2007:0074 vendor-advisory
- 24256 third-party-advisory
- spamassassin-url-dos(32536) vdb-entry
- 33207 vdb-entry
- 24197 third-party-advisory
- http://svn.apache.org/repos/asf/spamassassin/branches/3.1/build/announcements/3.1.8.txt
- 24307 third-party-advisory
- GLSA-200703-02 vendor-advisory
- RHSA-2007:0075 vendor-advisory