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Fencer Vulns
critical 9.3

CVE-2006-6504 json

Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, and SeaMonkey before 1.0.7 allows remote attackers to execute arbitrary code by a…

published 2006-12-20 19 y ago modified 2026-06-16 4 mo ago also EUVD-2006-6487

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.9%
EPSS 8.9% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, and SeaMonkey before 1.0.7 allows remote attackers to execute arbitrary code by appending an SVG comment DOM node to another type of document, which triggers memory corruption.

Patch / fix

  • mozilla firefox 1.5.0.9, 2.0.0.1
  • mozilla seamonkey 1.0.7
  • firefox-esr Debian 14, Debian 13, Debian 12 45.0esr-1

debian advisories DEBIAN-CVE-2006-6504

  • thunderbird RHEL 4 1.5.0.9-0.1.el4
  • seamonkey RHEL 2.1 1.0.7-0.1.el2
  • seamonkey RHEL 3 1.0.7-0.1.el3
  • seamonkey RHEL 4 1.0.7-0.1.el4
  • devhelp RHEL 4 0.10-0.6.el4
  • seamonkey-nss RHEL 2.1 1.0.7-0.1.el2
  • seamonkey-nss RHEL 3 1.0.7-0.1.el3
  • seamonkey-chat RHEL 2.1 1.0.7-0.1.el2

red hat advisories RHSA-2006:0760RHSA-2006:0759RHSA-2006:0758

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-2006-6504 updated

security flaw

  • Red Hat Desktop version 3 seamonkey 1.0.7-0.1.el3, seamonkey-nss 1.0.7-0.1.el3, seamonkey-chat 1.0.7-0.1.el3, seamonkey-mail 1.0.7-0.1.el3, seamonkey-nspr 1.0.7-0.1.el3, seamonkey-js-debugger 1.0.7-0.1.el3, +1 more Red Hat Enterprise Linux AS (Advanced Server) version 2.1 seamonkey 1.0.7-0.1.el2, seamonkey-nss 1.0.7-0.1.el2, seamonkey-chat 1.0.7-0.1.el2, seamonkey-mail 1.0.7-0.1.el2, seamonkey-nspr 1.0.7-0.1.el2, seamonkey-js-debugger 1.0.7-0.1.el2, +1 more Red Hat Enterprise Linux AS version 3 seamonkey 1.0.7-0.1.el3, seamonkey-nss 1.0.7-0.1.el3, seamonkey-chat 1.0.7-0.1.el3, seamonkey-mail 1.0.7-0.1.el3, seamonkey-nspr 1.0.7-0.1.el3, seamonkey-js-debugger 1.0.7-0.1.el3, +1 more Red Hat Enterprise Linux AS version 4 devhelp 0.10-0.6.el4, firefox 1.5.0.9-0.1.el4, seamonkey 1.0.7-0.1.el4, thunderbird 1.5.0.9-0.1.el4, seamonkey-chat 1.0.7-0.1.el4, seamonkey-mail 1.0.7-0.1.el4, +2 more Red Hat Enterprise Linux Desktop version 4 devhelp 0.10-0.6.el4, firefox 1.5.0.9-0.1.el4, seamonkey 1.0.7-0.1.el4, thunderbird 1.5.0.9-0.1.el4, seamonkey-chat 1.0.7-0.1.el4, seamonkey-mail 1.0.7-0.1.el4, +2 more Red Hat Enterprise Linux ES version 2.1 seamonkey 1.0.7-0.1.el2, seamonkey-nss 1.0.7-0.1.el2, seamonkey-chat 1.0.7-0.1.el2, seamonkey-mail 1.0.7-0.1.el2, seamonkey-nspr 1.0.7-0.1.el2, seamonkey-js-debugger 1.0.7-0.1.el2, +1 more
    +6 more products
    Red Hat Enterprise Linux ES version 3 seamonkey 1.0.7-0.1.el3, seamonkey-nss 1.0.7-0.1.el3, seamonkey-chat 1.0.7-0.1.el3, seamonkey-mail 1.0.7-0.1.el3, seamonkey-nspr 1.0.7-0.1.el3, seamonkey-js-debugger 1.0.7-0.1.el3, +1 more Red Hat Enterprise Linux ES version 4 devhelp 0.10-0.6.el4, firefox 1.5.0.9-0.1.el4, seamonkey 1.0.7-0.1.el4, thunderbird 1.5.0.9-0.1.el4, seamonkey-chat 1.0.7-0.1.el4, seamonkey-mail 1.0.7-0.1.el4, +2 more Red Hat Enterprise Linux WS version 2.1 seamonkey 1.0.7-0.1.el2, seamonkey-nss 1.0.7-0.1.el2, seamonkey-chat 1.0.7-0.1.el2, seamonkey-mail 1.0.7-0.1.el2, seamonkey-nspr 1.0.7-0.1.el2, seamonkey-js-debugger 1.0.7-0.1.el2, +1 more Red Hat Enterprise Linux WS version 3 seamonkey 1.0.7-0.1.el3, seamonkey-nss 1.0.7-0.1.el3, seamonkey-chat 1.0.7-0.1.el3, seamonkey-mail 1.0.7-0.1.el3, seamonkey-nspr 1.0.7-0.1.el3, seamonkey-js-debugger 1.0.7-0.1.el3, +1 more Red Hat Enterprise Linux WS version 4 devhelp 0.10-0.6.el4, firefox 1.5.0.9-0.1.el4, seamonkey 1.0.7-0.1.el4, thunderbird 1.5.0.9-0.1.el4, seamonkey-chat 1.0.7-0.1.el4, seamonkey-mail 1.0.7-0.1.el4, +2 more Red Hat Linux Advanced Workstation 2.1 seamonkey 1.0.7-0.1.el2, seamonkey-nss 1.0.7-0.1.el2, seamonkey-chat 1.0.7-0.1.el2, seamonkey-mail 1.0.7-0.1.el2, seamonkey-nspr 1.0.7-0.1.el2, seamonkey-js-debugger 1.0.7-0.1.el2, +1 more
    fixed: vendor fix RHSA-2006:0759

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

8.89% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

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.