CVE-2012-5843

Name: CVE-2012-5843
Creator: NVD / NIST
Published: 2012-11-21T12:55:03.79+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 5.78%

Last modified Jun 16, 2026

CVE-2012-5843 is a vulnerability of currently unknown severity. Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.. EPSS estimates a 5.78% chance of exploitation in the next 30 days.

Description

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Metrics

EPSS Probability

5.78%

92.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Mozilla	Firefox	< 10.0.11	—
Mozilla	Firefox	< 17.0	—
Mozilla	Seamonkey	< 2.14	—
Mozilla	Thunderbird	< 17.0	—
Mozilla	Thunderbird Esr	< 10.0.11	—
Opensuse	Opensuse	11.4	—
Opensuse	Opensuse	12.1	—
Opensuse	Opensuse	12.2	—
Suse	Linux Enterprise Desktop	10	Sp4
Suse	Linux Enterprise Desktop	11	Sp2
Suse	Linux Enterprise Server	10	Sp4
Suse	Linux Enterprise Server	11	Sp2
Suse	Linux Enterprise Software Development Kit	10	Sp4
Suse	Linux Enterprise Software Development Kit	11	Sp2
Canonical	Ubuntu Linux	10.04	—
Canonical	Ubuntu Linux	11.10	—
Canonical	Ubuntu Linux	12.04	—
Canonical	Ubuntu Linux	12.10	—

References

http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-11/msg00092.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.htmlMailing List, Third Party Advisory
http://secunia.com/advisories/51369Third Party Advisory
http://secunia.com/advisories/51370Third Party Advisory
http://secunia.com/advisories/51381Third Party Advisory
http://secunia.com/advisories/51434Third Party Advisory
http://secunia.com/advisories/51439Third Party Advisory
http://secunia.com/advisories/51440Third Party Advisory
http://www.mozilla.org/security/announce/2012/mfsa2012-91.htmlVendor Advisory
http://www.ubuntu.com/usn/USN-1636-1Third Party Advisory
http://www.ubuntu.com/usn/USN-1638-1Third Party Advisory
http://www.ubuntu.com/usn/USN-1638-2Third Party Advisory
http://www.ubuntu.com/usn/USN-1638-3Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=760887Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=765409Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=774953Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=780778Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=781859Exploit, Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=784404Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=787089Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=788822Exploit, Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=789075Issue Tracking, Patch
https://bugzilla.mozilla.org/show_bug.cgi?id=791601Exploit, Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=793253Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=795281Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=797163Exploit, Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=798678Issue Tracking, Patch, Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16839Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-11/msg00092.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.htmlMailing List, Third Party Advisory
http://secunia.com/advisories/51369Third Party Advisory
http://secunia.com/advisories/51370Third Party Advisory
http://secunia.com/advisories/51381Third Party Advisory
http://secunia.com/advisories/51434Third Party Advisory
http://secunia.com/advisories/51439Third Party Advisory
http://secunia.com/advisories/51440Third Party Advisory
http://www.mozilla.org/security/announce/2012/mfsa2012-91.htmlVendor Advisory
http://www.ubuntu.com/usn/USN-1636-1Third Party Advisory
http://www.ubuntu.com/usn/USN-1638-1Third Party Advisory
http://www.ubuntu.com/usn/USN-1638-2Third Party Advisory
http://www.ubuntu.com/usn/USN-1638-3Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=760887Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=765409Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=774953Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=780778Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=781859Exploit, Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=784404Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=787089Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=788822Exploit, Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=789075Issue Tracking, Patch
https://bugzilla.mozilla.org/show_bug.cgi?id=791601Exploit, Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=793253Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=795281Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=797163Exploit, Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=798678Issue Tracking, Patch, Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16839Third Party Advisory

Timeline

Published: Nov 21, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-5843?

How severe is CVE-2012-5843?

Severity scoring for CVE-2012-5843 is pending analysis. The EPSS model estimates a 5.78% probability of exploitation in the next 30 days.

How do I fix CVE-2012-5843?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-5843?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST