Mozilla Firefox before 1.5.0.1, Thunderbird 1.5 if running Javascript in mail, and SeaMonkey before 1.0 allow remote attackers to execute arbitrary code by changing an elements style from position:relative to position:static, which causes Gecko to operate on freed memory.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Firefox | Mozilla | 0.8 (including) | 0.8 (including) |
| Firefox | Mozilla | 0.9 (including) | 0.9 (including) |
| Firefox | Mozilla | 0.9-rc (including) | 0.9-rc (including) |
| Firefox | Mozilla | 0.9.1 (including) | 0.9.1 (including) |
| Firefox | Mozilla | 0.9.2 (including) | 0.9.2 (including) |
| Firefox | Mozilla | 0.9.3 (including) | 0.9.3 (including) |
| Firefox | Mozilla | 0.10 (including) | 0.10 (including) |
| Firefox | Mozilla | 0.10.1 (including) | 0.10.1 (including) |
| Firefox | Mozilla | 1.0 (including) | 1.0 (including) |
| Firefox | Mozilla | 1.0.1 (including) | 1.0.1 (including) |
| Firefox | Mozilla | 1.0.2 (including) | 1.0.2 (including) |
| Firefox | Mozilla | 1.0.3 (including) | 1.0.3 (including) |
| Firefox | Mozilla | 1.0.4 (including) | 1.0.4 (including) |
| Firefox | Mozilla | 1.0.5 (including) | 1.0.5 (including) |
| Firefox | Mozilla | 1.0.6 (including) | 1.0.6 (including) |
| Firefox | Mozilla | 1.0.7 (including) | 1.0.7 (including) |
| Firefox | Mozilla | 1.5 (including) | 1.5 (including) |
| Firefox | Mozilla | 1.5-beta1 (including) | 1.5-beta1 (including) |
| Seamonkey | Mozilla | 1.0 (including) | 1.0 (including) |
| Seamonkey | Mozilla | 1.0-beta (including) | 1.0-beta (including) |
| Thunderbird | Mozilla | 1.5 (including) | 1.5 (including) |
| Firefox | Ubuntu | dapper | * |
| Firefox | Ubuntu | edgy | * |
| Firefox | Ubuntu | feisty | * |
| Firefox-granparadiso | Ubuntu | devel | * |
| Lightning-sunbird | Ubuntu | devel | * |
| Midbrowser | Ubuntu | devel | * |
| Mozilla-thunderbird | Ubuntu | dapper | * |
| Mozilla-thunderbird | Ubuntu | edgy | * |
| Mozilla-thunderbird | Ubuntu | feisty | * |