Heap-based buffer overflow in the nsHTMLReflowState::CalculateHypotheticalBox 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 by resizing a window displaying absolutely positioned and relatively positioned elements in nested columns.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
| Link | Tags |
|---|---|
| http://www.mandriva.com/security/advisories?name=MDVSA-2012:088 | vendor advisory |
| http://rhn.redhat.com/errata/RHSA-2012-0710.html | vendor advisory |
| https://bugzilla.mozilla.org/show_bug.cgi?id=750066 | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16985 | signature vdb entry |
| http://www.mozilla.org/security/announce/2012/mfsa2012-40.html | vendor advisory |
| http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00012.html | vendor advisory |
| http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00015.html | vendor advisory |
| http://rhn.redhat.com/errata/RHSA-2012-0715.html | vendor advisory |