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Fencer Vulns
critical 10.0

CVE-2008-4062 json

Multiple unspecified vulnerabilities in Mozilla Firefox before 2.0.0.17 and 3.x before 3.0.2, Thunderbird before 2.0.0.17, and SeaMonkey be…

published 2008-09-24 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-4047

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.0%
EPSS 5.0% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Multiple unspecified vulnerabilities in Mozilla Firefox before 2.0.0.17 and 3.x before 3.0.2, Thunderbird before 2.0.0.17, and SeaMonkey before 1.1.12 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to the JavaScript engine and (1) misinterpretation of the characteristics of Namespace and QName in jsxml.c, (2) misuse of signed integers in the nsEscapeCount function in nsEscape.cpp, and (3) interaction of JavaScript garbage collection with certain use of an NPObject in the nsNPObjWrapper::GetNewOrUsed function in nsJSNPRuntime.cpp.

Patch / fix

  • mozilla firefox 2.0.0.17, 3.0.2
  • mozilla seamonkey 1.1.12
  • mozilla thunderbird 2.0.0.17
  • thunderbird RHEL 4 1.5.0.12-16.el4
  • thunderbird RHEL 5 PRODUCTIVITY, RHEL 5 2.0.0.17-1.el5
  • seamonkey RHEL 2.1 1.0.9-0.20.el2
  • seamonkey RHEL 3 1.0.9-0.24.el3
  • seamonkey RHEL 4 1.0.9-26.el4
  • devhelp RHEL 4 0.10-0.10.el4
  • seamonkey-nss RHEL 2.1 1.0.9-0.20.el2
  • seamonkey-nss RHEL 3 1.0.9-0.24.el3

red hat advisories RHSA-2008:0908RHSA-2008:0882RHSA-2008:0879

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-2008-4062 updated

Mozilla crashes with evidence of memory corruption

  • Red Hat Desktop version 3 seamonkey 1.0.9-0.24.el3, seamonkey-nss 1.0.9-0.24.el3, seamonkey-chat 1.0.9-0.24.el3, seamonkey-mail 1.0.9-0.24.el3, seamonkey-nspr 1.0.9-0.24.el3, seamonkey-js-debugger 1.0.9-0.24.el3, +1 more
    fixed: vendor fix RHSA-2008:0882
  • Red Hat Enterprise Linux (v. 5 server) nss 3.12.1.1-1.el5, yelp 2.16.0-21.el5, devhelp 0.12-19.el5, firefox 3.0.2-3.el5, xulrunner 1.9.0.2-5.el5, nss-tools 3.12.1.1-1.el5, +1 more
    fixed: vendor fix RHSA-2008:0879
  • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 seamonkey 1.0.9-0.20.el2, seamonkey-nss 1.0.9-0.20.el2, seamonkey-chat 1.0.9-0.20.el2, seamonkey-mail 1.0.9-0.20.el2, seamonkey-nspr 1.0.9-0.20.el2, seamonkey-js-debugger 1.0.9-0.20.el2, +1 more Red Hat Enterprise Linux AS version 3 seamonkey 1.0.9-0.24.el3, seamonkey-nss 1.0.9-0.24.el3, seamonkey-chat 1.0.9-0.24.el3, seamonkey-mail 1.0.9-0.24.el3, seamonkey-nspr 1.0.9-0.24.el3, seamonkey-js-debugger 1.0.9-0.24.el3, +1 more Red Hat Enterprise Linux AS version 4 firefox 3.0.2-3.el4, devhelp 0.10-0.10.el4, seamonkey 1.0.9-26.el4, seamonkey-chat 1.0.9-26.el4, seamonkey-mail 1.0.9-26.el4, thunderbird 1.5.0.12-16.el4, +2 more
    fixed: vendor fix RHSA-2008:0882
  • Red Hat Enterprise Linux Desktop (v. 5 client) nss 3.12.1.1-1.el5, yelp 2.16.0-21.el5, devhelp 0.12-19.el5, firefox 3.0.2-3.el5, xulrunner 1.9.0.2-5.el5, nss-tools 3.12.1.1-1.el5, +2 more
    fixed: vendor fix RHSA-2008:0879
  • Red Hat Enterprise Linux Desktop version 4 firefox 3.0.2-3.el4, devhelp 0.10-0.10.el4, seamonkey 1.0.9-26.el4, seamonkey-chat 1.0.9-26.el4, seamonkey-mail 1.0.9-26.el4, thunderbird 1.5.0.12-16.el4, +2 more
    fixed: vendor fix RHSA-2008:0882
  • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) nss 3.12.1.1-1.el5, devhelp 0.12-19.el5, xulrunner 1.9.0.2-5.el5, nss-tools 3.12.1.1-1.el5, xulrunner-devel-unstable 1.9.0.2-5.el5
    fixed: vendor fix RHSA-2008:0879
  • Red Hat Enterprise Linux ES version 2.1 seamonkey 1.0.9-0.20.el2, seamonkey-nss 1.0.9-0.20.el2, seamonkey-chat 1.0.9-0.20.el2, seamonkey-mail 1.0.9-0.20.el2, seamonkey-nspr 1.0.9-0.20.el2, seamonkey-js-debugger 1.0.9-0.20.el2, +1 more Red Hat Enterprise Linux ES version 3 seamonkey 1.0.9-0.24.el3, seamonkey-nss 1.0.9-0.24.el3, seamonkey-chat 1.0.9-0.24.el3, seamonkey-mail 1.0.9-0.24.el3, seamonkey-nspr 1.0.9-0.24.el3, seamonkey-js-debugger 1.0.9-0.24.el3, +1 more Red Hat Enterprise Linux ES version 4 firefox 3.0.2-3.el4, devhelp 0.10-0.10.el4, seamonkey 1.0.9-26.el4, seamonkey-chat 1.0.9-26.el4, seamonkey-mail 1.0.9-26.el4, thunderbird 1.5.0.12-16.el4, +2 more
    fixed: vendor fix RHSA-2008:0882
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 2.0.0.17-1.el5
    fixed: vendor fix RHSA-2008:0908
show 1 more
  • Red Hat Enterprise Linux WS version 2.1 seamonkey 1.0.9-0.20.el2, seamonkey-nss 1.0.9-0.20.el2, seamonkey-chat 1.0.9-0.20.el2, seamonkey-mail 1.0.9-0.20.el2, seamonkey-nspr 1.0.9-0.20.el2, seamonkey-js-debugger 1.0.9-0.20.el2, +1 more Red Hat Enterprise Linux WS version 3 seamonkey 1.0.9-0.24.el3, seamonkey-nss 1.0.9-0.24.el3, seamonkey-chat 1.0.9-0.24.el3, seamonkey-mail 1.0.9-0.24.el3, seamonkey-nspr 1.0.9-0.24.el3, seamonkey-js-debugger 1.0.9-0.24.el3, +1 more Red Hat Enterprise Linux WS version 4 firefox 3.0.2-3.el4, devhelp 0.10-0.10.el4, seamonkey 1.0.9-26.el4, seamonkey-chat 1.0.9-26.el4, seamonkey-mail 1.0.9-26.el4, thunderbird 1.5.0.12-16.el4, +2 more Red Hat Linux Advanced Workstation 2.1 seamonkey 1.0.9-0.20.el2, seamonkey-nss 1.0.9-0.20.el2, seamonkey-chat 1.0.9-0.20.el2, seamonkey-mail 1.0.9-0.20.el2, seamonkey-nspr 1.0.9-0.20.el2, seamonkey-js-debugger 1.0.9-0.20.el2, +1 more
    fixed: vendor fix RHSA-2008:0882

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

4.99% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

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.