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CVE-2012-4214
Use-after-free vulnerability in the nsTextEditorState::PrepareEditor function in Mozilla Firefox before 17.0, Firefox ESR 10.x before…
High9.3EPSS 6.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Use-after-free vulnerability in the nsTextEditorState::PrepareEditor function in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors, a different vulnerability than CVE-2012-5840.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 6.1% · top 6.6% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Weakness
Affected products
n/a
- affected n/a
References (26)
- USN-1638-3 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=795804 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 51370 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- USN-1638-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- openSUSE-SU-2012:1586 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-1636-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- openSUSE-SU-2013:0175 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2012:1483 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://www.palemoon.org/releasenotes-ng.shtml (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2012:1482 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 51434 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- openSUSE-SU-2012:1583 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 51439 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 51440 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- USN-1638-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- SUSE-SU-2012:1592 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 51359 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- MDVSA-2012:173 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- openSUSE-SU-2012:1585 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 56628 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 51381 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 51369 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.mozilla.org/security/announce/2012/mfsa2012-105.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 51360 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- firefox-nstexteditorstate-code-exec(80187) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- oval:org.mitre.oval:def:16884 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2012-4214)Record last updated .