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Vulnerability record · CVE-2008-5021 · published 13 November 2008

CVE-2008-5021: Mozilla firefox race condition vulnerability

Mozilla · Firefox

nsFrameManager in Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by modifying properties of a file input element while it is still being initialized, then using the blur method to access uninitialized memory.

9.3 CVSS 2.0 High EPSS 3.6% · top 10.9% CWE-362 · Race condition
9.3CVSS 2.0 base score
3.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
76References
16 Jun 2026Last modified by NVD

Description

nsFrameManager in Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by modifying properties of a file input element while it is still being initialized, then using the blur method to access uninitialized memory.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

13 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00004.html Mailing ListThird Party Advisory
http://secunia.com/advisories/32684 Broken LinkThird Party Advisory
http://secunia.com/advisories/32693 Broken LinkThird Party Advisory
http://secunia.com/advisories/32694 Broken LinkThird Party Advisory
http://secunia.com/advisories/32695 Broken LinkThird Party Advisory
http://secunia.com/advisories/32713 Broken LinkThird Party Advisory
http://secunia.com/advisories/32714 Broken LinkThird Party Advisory
http://secunia.com/advisories/32715 Broken LinkThird Party Advisory
http://secunia.com/advisories/32721 Broken LinkThird Party Advisory
http://secunia.com/advisories/32778 Broken LinkThird Party Advisory
http://secunia.com/advisories/32798 Broken LinkThird Party Advisory
http://secunia.com/advisories/32845 Broken LinkThird Party Advisory
http://secunia.com/advisories/32853 Broken LinkThird Party Advisory
http://secunia.com/advisories/33433 Broken LinkThird Party Advisory
http://secunia.com/advisories/33434 Broken LinkThird Party Advisory
http://secunia.com/advisories/34501 Broken LinkThird Party Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-256408-1 Broken Link
http://ubuntu.com/usn/usn-667-1 Third Party Advisory
http://www.debian.org/security/2008/dsa-1669 Mailing ListThird Party Advisory
http://www.debian.org/security/2008/dsa-1671 Mailing ListThird Party Advisory
http://www.debian.org/security/2009/dsa-1696 Mailing ListThird Party Advisory
http://www.debian.org/security/2009/dsa-1697 Mailing ListThird Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2008:228 Broken LinkThird Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2008:230 Broken LinkThird Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2008:235 Broken LinkThird Party Advisory
http://www.mozilla.org/security/announce/2008/mfsa2008-55.html Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2008-0976.html Broken LinkThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2008-0977.html Broken LinkThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2008-0978.html Broken LinkThird Party Advisory
http://www.securityfocus.com/bid/32281 Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id?1021186 Broken LinkThird Party AdvisoryVDB Entry
http://www.us-cert.gov/cas/techalerts/TA08-319A.html Third Party AdvisoryUS Government Resource
http://www.vupen.com/english/advisories/2008/3146 Broken LinkThird Party Advisory
http://www.vupen.com/english/advisories/2009/0977 Broken LinkThird Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=460002 Issue TrackingVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9642 Broken LinkThird Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00366.html Mailing ListThird Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00385.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00004.html Mailing ListThird Party Advisory
http://secunia.com/advisories/32684 Broken LinkThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2008-5021), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.