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Vulnerability record · CVE-2010-1121 · published 25 March 2010

CVE-2010-1121: Mozilla firefox code injection vulnerability

Mozilla · Firefox

Mozilla Firefox 3.6.x before 3.6.3 does not properly manage the scopes of DOM nodes that are moved from one document to another, which allows remote attackers to conduct use-after-free attacks and execute arbitrary code via unspecified vectors involving improper interaction with garbage collection, as demonstrated by Nils during a Pwn2Own competition at CanSecWest 2010.

10.0 CVSS 2.0 High EPSS 5.8% · top 7.2% CWE-94 · Code injection
10.0CVSS 2.0 base score
5.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
48References
16 Jun 2026Last modified by NVD

Description

Mozilla Firefox 3.6.x before 3.6.3 does not properly manage the scopes of DOM nodes that are moved from one document to another, which allows remote attackers to conduct use-after-free attacks and execute arbitrary code via unspecified vectors involving improper interaction with garbage collection, as demonstrated by Nils during a Pwn2Own competition at CanSecWest 2010.

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

Affected products

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

References

LinkTags
http://dvlabs.tippingpoint.com/blog/2010/02/15/pwn2own-2010
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043369.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043405.html
http://lists.opensuse.org/opensuse-security-announce/2010-07/msg00005.html
http://news.cnet.com/8301-27080_3-20001126-245.html
http://secunia.com/advisories/40323 Vendor Advisory
http://secunia.com/advisories/40326 Vendor Advisory
http://secunia.com/advisories/40401 Vendor Advisory
http://secunia.com/advisories/40481 Vendor Advisory
http://support.avaya.com/css/P8/documents/100091069
http://twitter.com/thezdi/statuses/11005277222
http://ubuntu.com/usn/usn-930-1
http://www.mozilla.org/security/announce/2010/mfsa2010-25.html Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2010-0500.html
http://www.redhat.com/support/errata/RHSA-2010-0501.html
http://www.securitytracker.com/id?1023817
http://www.ubuntu.com/usn/usn-930-2
http://www.vupen.com/english/advisories/2010/1557 Vendor Advisory
http://www.vupen.com/english/advisories/2010/1592
http://www.vupen.com/english/advisories/2010/1640 Vendor Advisory
http://www.vupen.com/english/advisories/2010/1773 Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=555109
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10924
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6844
http://dvlabs.tippingpoint.com/blog/2010/02/15/pwn2own-2010
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043369.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043405.html
http://lists.opensuse.org/opensuse-security-announce/2010-07/msg00005.html
http://news.cnet.com/8301-27080_3-20001126-245.html
http://secunia.com/advisories/40323 Vendor Advisory
http://secunia.com/advisories/40326 Vendor Advisory
http://secunia.com/advisories/40401 Vendor Advisory
http://secunia.com/advisories/40481 Vendor Advisory
http://support.avaya.com/css/P8/documents/100091069
http://twitter.com/thezdi/statuses/11005277222
http://ubuntu.com/usn/usn-930-1
http://www.mozilla.org/security/announce/2010/mfsa2010-25.html Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2010-0500.html
http://www.redhat.com/support/errata/RHSA-2010-0501.html
http://www.securitytracker.com/id?1023817

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2010-1121), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.