CVE-2012-3958
Use-after-free vulnerability in the nsHTMLEditRules::DeleteNonTableElements function in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.
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
- 5.2% (93th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-3902)
- Published
- August 29, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-3902 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 289 more…
References
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00028.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00014.html
- http://rhn.redhat.com/errata/RHSA-2012-1210.html
- http://rhn.redhat.com/errata/RHSA-2012-1211.html
- http://www.mozilla.org/security/announce/2012/mfsa2012-58.html(Vendor Advisory)
- http://www.securityfocus.com/bid/55323
- http://www.ubuntu.com/usn/USN-1548-1
- http://www.ubuntu.com/usn/USN-1548-2
- http://www.xerox.com/download/security/security-bulletin/16287-4d6b7b0c81f7b/cert_XRX13-003_v1.0.pdf
- https://bugzilla.mozilla.org/show_bug.cgi?id=772346
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16782
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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