Skip to content
Fencer Vulns
high 7.5

CVE-2008-2801 json

Mozilla Firefox before 2.0.0.15 and SeaMonkey before 1.1.10 do not properly implement JAR signing, which allows remote attackers to execute…

published 2008-07-07 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-2794

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

Mozilla Firefox before 2.0.0.15 and SeaMonkey before 1.1.10 do not properly implement JAR signing, which allows remote attackers to execute arbitrary code via (1) injection of JavaScript into documents within a JAR archive or (2) a JAR archive that uses relative URLs to JavaScript files.

Patch / fix

  • thunderbird RHEL 4 1.5.0.12-14.el4
  • thunderbird RHEL 5 PRODUCTIVITY, RHEL 5 2.0.0.16-1.el5
  • firefox RHEL 5 3.0-2.el5
  • yelp RHEL 5 2.16.0-19.el5
  • devhelp RHEL 5 0.12-17.el5
  • xulrunner RHEL 5 1.9-1.el5
  • xulrunner-devel-unstable RHEL 5 1.9-1.el5
  • firefox RHEL 4 1.5.0.12-0.19.el4

red hat advisories RHSA-2008:0616RHSA-2008:0569RHSA-2008:0549RHSA-2008:0547

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-2008-2801 updated

Firefox arbitrary signed JAR code execution

  • Red Hat Desktop version 3 seamonkey 1.0.9-0.20.el3, seamonkey-nss 1.0.9-0.20.el3, seamonkey-chat 1.0.9-0.20.el3, seamonkey-mail 1.0.9-0.20.el3, seamonkey-nspr 1.0.9-0.20.el3, seamonkey-js-debugger 1.0.9-0.20.el3, +1 more
    fixed: vendor fix RHSA-2008:0547
  • Red Hat Enterprise Linux (v. 5 server) firefox 3.0-2.el5, yelp 2.16.0-19.el5, devhelp 0.12-17.el5, xulrunner 1.9-1.el5, xulrunner-devel-unstable 1.9-1.el5
    fixed: vendor fix RHSA-2008:0569
  • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 seamonkey 1.0.9-0.17.el2, seamonkey-nss 1.0.9-0.17.el2, seamonkey-chat 1.0.9-0.17.el2, seamonkey-mail 1.0.9-0.17.el2, seamonkey-nspr 1.0.9-0.17.el2, seamonkey-js-debugger 1.0.9-0.17.el2, +1 more Red Hat Enterprise Linux AS version 3 seamonkey 1.0.9-0.20.el3, seamonkey-nss 1.0.9-0.20.el3, seamonkey-chat 1.0.9-0.20.el3, seamonkey-mail 1.0.9-0.20.el3, seamonkey-nspr 1.0.9-0.20.el3, seamonkey-js-debugger 1.0.9-0.20.el3, +1 more Red Hat Enterprise Linux AS version 4 firefox 1.5.0.12-0.19.el4, seamonkey 1.0.9-16.3.el4_6, thunderbird 1.5.0.12-14.el4, seamonkey-chat 1.0.9-16.3.el4_6, seamonkey-mail 1.0.9-16.3.el4_6, seamonkey-js-debugger 1.0.9-16.3.el4_6, +1 more
    fixed: vendor fix RHSA-2008:0547
  • Red Hat Enterprise Linux Desktop (v. 5 client) firefox 3.0-2.el5, yelp 2.16.0-19.el5, devhelp 0.12-17.el5, xulrunner 1.9-1.el5, thunderbird 2.0.0.16-1.el5, xulrunner-devel-unstable 1.9-1.el5
    fixed: vendor fix RHSA-2008:0616
  • Red Hat Enterprise Linux Desktop version 4 firefox 1.5.0.12-0.19.el4, seamonkey 1.0.9-16.3.el4_6, thunderbird 1.5.0.12-14.el4, seamonkey-chat 1.0.9-16.3.el4_6, seamonkey-mail 1.0.9-16.3.el4_6, seamonkey-js-debugger 1.0.9-16.3.el4_6, +1 more
    fixed: vendor fix RHSA-2008:0547
  • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) devhelp 0.12-17.el5, xulrunner 1.9-1.el5, xulrunner-devel-unstable 1.9-1.el5
    fixed: vendor fix RHSA-2008:0569
  • Red Hat Enterprise Linux ES version 2.1 seamonkey 1.0.9-0.17.el2, seamonkey-nss 1.0.9-0.17.el2, seamonkey-chat 1.0.9-0.17.el2, seamonkey-mail 1.0.9-0.17.el2, seamonkey-nspr 1.0.9-0.17.el2, seamonkey-js-debugger 1.0.9-0.17.el2, +1 more Red Hat Enterprise Linux ES version 3 seamonkey 1.0.9-0.20.el3, seamonkey-nss 1.0.9-0.20.el3, seamonkey-chat 1.0.9-0.20.el3, seamonkey-mail 1.0.9-0.20.el3, seamonkey-nspr 1.0.9-0.20.el3, seamonkey-js-debugger 1.0.9-0.20.el3, +1 more Red Hat Enterprise Linux ES version 4 firefox 1.5.0.12-0.19.el4, seamonkey 1.0.9-16.3.el4_6, thunderbird 1.5.0.12-14.el4, seamonkey-chat 1.0.9-16.3.el4_6, seamonkey-mail 1.0.9-16.3.el4_6, seamonkey-js-debugger 1.0.9-16.3.el4_6, +1 more
    fixed: vendor fix RHSA-2008:0547
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 2.0.0.16-1.el5
    fixed: vendor fix RHSA-2008:0616
show 1 more
  • Red Hat Enterprise Linux WS version 2.1 seamonkey 1.0.9-0.17.el2, seamonkey-nss 1.0.9-0.17.el2, seamonkey-chat 1.0.9-0.17.el2, seamonkey-mail 1.0.9-0.17.el2, seamonkey-nspr 1.0.9-0.17.el2, seamonkey-js-debugger 1.0.9-0.17.el2, +1 more Red Hat Enterprise Linux WS version 3 seamonkey 1.0.9-0.20.el3, seamonkey-nss 1.0.9-0.20.el3, seamonkey-chat 1.0.9-0.20.el3, seamonkey-mail 1.0.9-0.20.el3, seamonkey-nspr 1.0.9-0.20.el3, seamonkey-js-debugger 1.0.9-0.20.el3, +1 more Red Hat Enterprise Linux WS version 4 firefox 1.5.0.12-0.19.el4, seamonkey 1.0.9-16.3.el4_6, thunderbird 1.5.0.12-14.el4, seamonkey-chat 1.0.9-16.3.el4_6, seamonkey-mail 1.0.9-16.3.el4_6, seamonkey-js-debugger 1.0.9-16.3.el4_6, +1 more Red Hat Linux Advanced Workstation 2.1 seamonkey 1.0.9-0.17.el2, seamonkey-nss 1.0.9-0.17.el2, seamonkey-chat 1.0.9-0.17.el2, seamonkey-mail 1.0.9-0.17.el2, seamonkey-nspr 1.0.9-0.17.el2, seamonkey-js-debugger 1.0.9-0.17.el2, +1 more
    fixed: vendor fix RHSA-2008:0547

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

2.81% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

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.