CVE-2010-1121
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.
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-94
- EPSS score
- 5.7% (93th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2010-1152)
- Published
- March 25, 2010
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2010-1152 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
References
- 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
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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