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.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 1.68% Top 20%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/50904 third party advisory
http://secunia.com/advisories/50984 third party advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16719 vdb entry third party advisory signature
https://bugzilla.mozilla.org/show_bug.cgi?id=798045 issue tracking patch vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/79209 vdb entry third party advisory
http://osvdb.org/86125 vdb entry broken link
http://www.ubuntu.com/usn/USN-1608-1 third party advisory vendor advisory
http://www.mozilla.org/security/announce/2012/mfsa2012-88.html vendor advisory
http://secunia.com/advisories/50929 third party advisory
http://www.ubuntu.com/usn/USN-1611-1 third party advisory vendor advisory
http://www.securitytracker.com/id?1027653 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2012-4191?
CVE-2012-4191 has been scored as a critical severity vulnerability.
How to fix CVE-2012-4191?
To fix CVE-2012-4191, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-4191 being actively exploited in the wild?
It is possible that CVE-2012-4191 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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