Unrated severityNVD Advisory· Published Oct 12, 2012· Updated Jun 16, 2026
CVE-2012-4191
CVE-2012-4191
Description
The mozilla::net::FailDelayManager::Lookup function in the WebSockets implementation in Mozilla Firefox before 16.0.1, Thunderbird before 16.0.1, and SeaMonkey before 2.13.1 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
13cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <16.0.1
- (no CPE)range: <16.0.1
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*range: <2.13.1
- (no CPE)range: <2.13.1
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <16.0.1
- (no CPE)range: <16.0.1
cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*+ 3 more
- cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
- osv-coords3 versionspkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweed
< 128.5.1-1.1+ 2 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 50.1.0-1.1
- (no CPE)range: < 45.5.1-1.1
Patches
Vulnerability mechanics
References
11- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPatchVendor Advisory
- secunia.com/advisories/50904nvdThird Party Advisory
- secunia.com/advisories/50929nvdThird Party Advisory
- secunia.com/advisories/50984nvdThird Party Advisory
- www.mozilla.org/security/announce/2012/mfsa2012-88.htmlnvdVendor Advisory
- www.securitytracker.com/idnvdThird Party AdvisoryVDB Entry
- www.ubuntu.com/usn/USN-1608-1nvdThird Party Advisory
- www.ubuntu.com/usn/USN-1611-1nvdThird Party Advisory
- exchange.xforce.ibmcloud.com/vulnerabilities/79209nvdThird Party AdvisoryVDB Entry
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16719nvdThird Party Advisory
- osvdb.org/86125nvdBroken Link
News mentions
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