Use-after-free vulnerability in the attribute-cloning functionality in the DOM implementation in Mozilla Firefox 3.5.x before 3.5.11 and 3.6.x before 3.6.7, and SeaMonkey before 2.0.6, allows remote attackers to execute arbitrary code via vectors related to deletion of an event attribute node with a nonzero reference count.
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory “belongs” to the code that operates on the new pointer.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Firefox | Mozilla | 3.5 (including) | 3.5.11 (excluding) |
| Firefox | Mozilla | 3.6 (including) | 3.6.7 (excluding) |
| Red Hat Enterprise Linux 4 | RedHat | firefox-0:3.6.7-2.el4 | * |
| Red Hat Enterprise Linux 5 | RedHat | firefox-0:3.6.7-2.el5 | * |
| Red Hat Enterprise Linux 5 | RedHat | xulrunner-0:1.9.2.7-2.el5 | * |
| Firefox | Ubuntu | dapper | * |
| Firefox | Ubuntu | devel | * |
| Firefox | Ubuntu | hardy | * |
| Firefox | Ubuntu | lucid | * |
| Firefox-3.0 | Ubuntu | hardy | * |
| Firefox-3.0 | Ubuntu | jaunty | * |
| Firefox-3.5 | Ubuntu | jaunty | * |
| Firefox-3.5 | Ubuntu | karmic | * |
| Xulrunner-1.9.2 | Ubuntu | devel | * |
| Xulrunner-1.9.2 | Ubuntu | hardy | * |
| Xulrunner-1.9.2 | Ubuntu | jaunty | * |
| Xulrunner-1.9.2 | Ubuntu | karmic | * |
| Xulrunner-1.9.2 | Ubuntu | lucid | * |