CVE-2012-1940
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 2.0
- 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 4.53% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- mozilla/firefox · mozilla/seamonkey · mozilla/thunderbird · mozilla/thunderbird esr
- Source
- cve@mitre.org
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%3Adef%3A17054
- 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%3Adef%3A17054
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.