Is CVE-2008-4062 being actively exploited?

CVE-2008-4062 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2008-4062?

CVE-2008-4062 has a CVSS 2.0 base score of 10.0 (HIGH).

CVE-2008-4062

HIGH · CVSS 10.0EPSS 5.0%EU EUVD

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.

Key facts

CVSS score: 10.0 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-399
EPSS score: 5.0% (92th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2008-4047)
Published: September 24, 2008
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2008-4047 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
mozilla / firefox
mozilla / seamonkey
mozilla / thunderbird

References

http://download.novell.com/Download?buildid=WZXONb-tqBw~(Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00005.html(Third Party Advisory)
http://secunia.com/advisories/31984(Third Party Advisory)
http://secunia.com/advisories/31985(Third Party Advisory)
http://secunia.com/advisories/31987(Third Party Advisory)
http://secunia.com/advisories/32007(Third Party Advisory)
http://secunia.com/advisories/32010(Third Party Advisory)
http://secunia.com/advisories/32011(Third Party Advisory)
http://secunia.com/advisories/32012(Third Party Advisory)
http://secunia.com/advisories/32025(Third Party Advisory)
http://secunia.com/advisories/32042(Third Party Advisory)
http://secunia.com/advisories/32044(Third Party Advisory)
http://secunia.com/advisories/32082(Third Party Advisory)
http://secunia.com/advisories/32089(Third Party Advisory)
http://secunia.com/advisories/32092(Third Party Advisory)
http://secunia.com/advisories/32095(Third Party Advisory)
http://secunia.com/advisories/32096(Third Party Advisory)
http://secunia.com/advisories/32144(Third Party Advisory)
http://secunia.com/advisories/32185(Third Party Advisory)
http://secunia.com/advisories/32196(Third Party Advisory)
http://secunia.com/advisories/32845(Third Party Advisory)
http://secunia.com/advisories/33433(Third Party Advisory)
http://secunia.com/advisories/33434(Third Party Advisory)
http://secunia.com/advisories/34501(Third Party Advisory)
http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.379422(Third Party Advisory)
http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.405232(Third Party Advisory)
http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.412123(Third Party Advisory)
http://sunsolve.sun.com/search/document.do?assetkey=1-26-256408-1(Broken Link)
http://www.debian.org/security/2008/dsa-1649(Third Party Advisory)
http://www.debian.org/security/2008/dsa-1669(Third Party Advisory)
http://www.debian.org/security/2009/dsa-1696(Third Party Advisory)
http://www.debian.org/security/2009/dsa-1697(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2008:205(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2008:206(Third Party Advisory)
http://www.mozilla.org/security/announce/2008/mfsa2008-42.html(Vendor Advisory)
http://www.redhat.com/support/errata/RHSA-2008-0879.html(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2008-0882.html(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2008-0908.html(Third Party Advisory)
http://www.securityfocus.com/bid/31346(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1020916(Third Party Advisory, VDB Entry)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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