CVE-2011-2378
HIGH · CVSS 10.0EPSS 5.6%EU EUVD
The appendChild function in Mozilla Firefox before 3.6.20, Thunderbird 3.x before 3.1.12, SeaMonkey 2.x, and possibly other products does not properly handle DOM objects, which allows remote attackers to execute arbitrary code via unspecified vectors that lead to dereferencing of a "dangling pointer."
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
- 5.6% (93th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-2367)
- Published
- August 18, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-2367 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
and 158 more…
References
- http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00027.html
- http://www.debian.org/security/2011/dsa-2295
- http://www.debian.org/security/2011/dsa-2296
- http://www.debian.org/security/2011/dsa-2297
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:127
- http://www.mozilla.org/security/announce/2011/mfsa2011-30.html(Vendor Advisory)
- http://www.redhat.com/support/errata/RHSA-2011-1164.html(Vendor Advisory)
- http://www.redhat.com/support/errata/RHSA-2011-1166.html(Vendor Advisory)
- https://bugzilla.mozilla.org/show_bug.cgi?id=648065
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14163
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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