Vulnerability Description
Use-after-free vulnerability in the nsFrameList::FirstChild function in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.5, and SeaMonkey before 2.10 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) by changing the size of a container of absolutely positioned elements in a column.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | 4.0 |
| Mozilla | Seamonkey | <= 2.9 |
| Mozilla | Thunderbird | 5.0 |
| Mozilla | Thunderbird Esr | 10.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00012.html
- http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00015.html
- http://rhn.redhat.com/errata/RHSA-2012-0710.html
- http://rhn.redhat.com/errata/RHSA-2012-0715.html
- http://www.debian.org/security/2012/dsa-2488
- http://www.debian.org/security/2012/dsa-2489
- http://www.debian.org/security/2012/dsa-2499
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:088
- http://www.mozilla.org/security/announce/2012/mfsa2012-40.htmlVendor Advisory
- http://www.securityfocus.com/bid/53794
- https://bugzilla.mozilla.org/show_bug.cgi?id=747688
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00012.html
- http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00015.html
- http://rhn.redhat.com/errata/RHSA-2012-0710.html
FAQ
What is CVE-2012-1940?
CVE-2012-1940 is a vulnerability with a CVSS score of 9.3 (HIGH). Use-after-free vulnerability in the nsFrameList::FirstChild function in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0...
How severe is CVE-2012-1940?
CVE-2012-1940 has been rated HIGH with a CVSS base score of 9.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-1940?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Seamonkey, Mozilla Thunderbird, Mozilla Thunderbird Esr.