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Fencer Vulns
medium 4.3

CVE-2007-0451 json

Apache SpamAssassin before 3.1.8 allows remote attackers to cause a denial of service via long URLs in malformed HTML, which triggers "mass…

published 2007-02-16 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-0450

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.9%
EPSS 6.9% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

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."

Patch / fix

  • spamassassin Debian 14, Debian 13, Debian 12 3.1.7-2

debian advisories DEBIAN-CVE-2007-0451

  • spamassassin RHEL 5 3.1.8-2.el5
  • spamassassin RHEL 4 3.1.8-2.el4

red hat advisories RHSA-2007:0075RHSA-2007:0074

  • spamassassin openSUSE Tumbleweed 3.4.6-71.3

opensuse advisories openSUSE-SU-2024:11395-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-0451 updated

security flaw

  • Red Hat Enterprise Linux (v. 5 server) spamassassin 3.1.8-2.el5
    fixed: vendor fix RHSA-2007:0075
  • Red Hat Enterprise Linux AS version 4 spamassassin 3.1.8-2.el4
    fixed: vendor fix RHSA-2007:0074
  • Red Hat Enterprise Linux Desktop (v. 5 client) spamassassin 3.1.8-2.el5
    fixed: vendor fix RHSA-2007:0075
  • Red Hat Enterprise Linux Desktop version 4 spamassassin 3.1.8-2.el4 Red Hat Enterprise Linux ES version 4 spamassassin 3.1.8-2.el4 Red Hat Enterprise Linux WS version 4 spamassassin 3.1.8-2.el4
    fixed: vendor fix RHSA-2007:0074

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

6.87% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.