Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2 for iPhone, iPod, and iPad; iOS before 4.2.7 for iPhone 4 (CDMA); and possibly other products allows remote attackers to execute arbitrary code by adding children to a WBR tag and then removing the tag, related to text nodes, as demonstrated by Chaouki Bekrar during a Pwn2Own competition at CanSecWest 2011.
2011-03-10T20:55:01.280
2025-04-11T00:51:21.963
Deferred
CVSSv2: 6.8 (MEDIUM)
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | apple | safari | ≤ 5.0.4 | Yes |
| Application | apple | safari | 1.0 | Yes |
| Application | apple | safari | 1.0 | Yes |
| Application | apple | safari | 1.0 | Yes |
| Application | apple | safari | 1.0.0 | Yes |
| Application | apple | safari | 1.0.0b1 | Yes |
| Application | apple | safari | 1.0.0b2 | Yes |
| Application | apple | safari | 1.0.1 | Yes |
| Application | apple | safari | 1.0.2 | Yes |
| Application | apple | safari | 1.0.3 | Yes |
| Application | apple | safari | 1.0.3 | Yes |
| Application | apple | safari | 1.0.3 | Yes |
| Application | apple | safari | 1.1 | Yes |
| Application | apple | safari | 1.1.0 | Yes |
| Application | apple | safari | 1.1.1 | Yes |
| Application | apple | safari | 1.2 | Yes |
| Application | apple | safari | 1.2.0 | Yes |
| Application | apple | safari | 1.2.1 | Yes |
| Application | apple | safari | 1.2.2 | Yes |
| Application | apple | safari | 1.2.3 | Yes |
| Application | apple | safari | 1.2.4 | Yes |
| Application | apple | safari | 1.2.5 | Yes |
| Application | apple | safari | 1.3 | Yes |
| Application | apple | safari | 1.3.0 | Yes |
| Application | apple | safari | 1.3.1 | Yes |
| Application | apple | safari | 1.3.2 | Yes |
| Application | apple | safari | 1.3.2 | Yes |
| Application | apple | safari | 1.3.2 | Yes |
| Application | apple | safari | 2 | Yes |
| Application | apple | safari | 2.0 | Yes |
| Application | apple | safari | 2.0.0 | Yes |
| Application | apple | safari | 2.0.1 | Yes |
| Application | apple | safari | 2.0.2 | Yes |
| Application | apple | safari | 2.0.3 | Yes |
| Application | apple | safari | 2.0.3 | Yes |
| Application | apple | safari | 2.0.3 | Yes |
| Application | apple | safari | 2.0.3 | Yes |
| Application | apple | safari | 2.0.3 | Yes |
| Application | apple | safari | 2.0.4 | Yes |
| Application | apple | safari | 3 | Yes |
| Application | apple | safari | 3.0 | Yes |
| Application | apple | safari | 3.0.0 | Yes |
| Application | apple | safari | 3.0.0b | Yes |
| Application | apple | safari | 3.0.1 | Yes |
| Application | apple | safari | 3.0.1b | Yes |
| Application | apple | safari | 3.0.2 | Yes |
| Application | apple | safari | 3.0.2b | Yes |
| Application | apple | safari | 3.0.3 | Yes |
| Application | apple | safari | 3.0.3b | Yes |
| Application | apple | safari | 3.0.4 | Yes |
| Application | apple | safari | 3.0.4b | Yes |
| Application | apple | safari | 3.1.0 | Yes |
| Application | apple | safari | 3.1.0b | Yes |
| Application | apple | safari | 3.1.1 | Yes |
| Application | apple | safari | 3.1.2 | Yes |
| Application | apple | safari | 3.2.0 | Yes |
| Application | apple | safari | 3.2.1 | Yes |
| Application | apple | safari | 3.2.2 | Yes |
| Application | apple | safari | 4.0 | Yes |
| Application | apple | safari | 4.0 | Yes |
| Application | apple | safari | 4.0.0b | Yes |
| Application | apple | safari | 4.0.1 | Yes |
| Application | apple | safari | 4.0.2 | Yes |
| Application | apple | safari | 4.0.3 | Yes |
| Application | apple | safari | 4.0.4 | Yes |
| Application | apple | safari | 4.0.5 | Yes |
| Application | apple | safari | 4.1 | Yes |
| Application | apple | safari | 4.1.1 | Yes |
| Application | apple | safari | 4.1.2 | Yes |
| Application | apple | safari | 5.0 | Yes |
| Application | apple | safari | 5.0.1 | Yes |
| Application | apple | safari | 5.0.2 | Yes |
| Operating System | apple | iphone_os | ≤ 4.3.1 | Yes |
| Operating System | apple | iphone_os | 1.0.0 | Yes |
| Operating System | apple | iphone_os | 1.0.1 | Yes |
| Operating System | apple | iphone_os | 1.0.2 | Yes |
| Operating System | apple | iphone_os | 1.1.0 | Yes |
| Operating System | apple | iphone_os | 1.1.1 | Yes |
| Operating System | apple | iphone_os | 1.1.2 | Yes |
| Operating System | apple | iphone_os | 1.1.3 | Yes |
| Operating System | apple | iphone_os | 1.1.4 | Yes |
| Operating System | apple | iphone_os | 1.1.5 | Yes |
| Operating System | apple | iphone_os | 2.0 | Yes |
| Operating System | apple | iphone_os | 2.0.0 | Yes |
| Operating System | apple | iphone_os | 2.0.1 | Yes |
| Operating System | apple | iphone_os | 2.0.2 | Yes |
| Operating System | apple | iphone_os | 2.1 | Yes |
| Operating System | apple | iphone_os | 2.1.1 | Yes |
| Operating System | apple | iphone_os | 2.2 | Yes |
| Operating System | apple | iphone_os | 2.2.1 | Yes |
| Operating System | apple | iphone_os | 3.0 | Yes |
| Operating System | apple | iphone_os | 3.0.1 | Yes |
| Operating System | apple | iphone_os | 3.1 | Yes |
| Operating System | apple | iphone_os | 3.1.2 | Yes |
| Operating System | apple | iphone_os | 3.1.3 | Yes |
| Operating System | apple | iphone_os | 3.2 | Yes |
| Operating System | apple | iphone_os | 3.2.1 | Yes |
| Operating System | apple | iphone_os | 4.0 | Yes |
| Operating System | apple | iphone_os | 4.0.1 | Yes |
| Operating System | apple | iphone_os | 4.0.2 | Yes |
| Operating System | apple | iphone_os | 4.1 | Yes |
| Operating System | apple | iphone_os | 4.2 | Yes |
| Operating System | apple | iphone_os | 4.2.1 | Yes |
| Operating System | apple | iphone_os | 4.2.5 | Yes |
| Operating System | apple | iphone_os | 4.2.8 | Yes |
| Operating System | apple | iphone_os | 4.3.0 | Yes |
| Hardware | apple | ipad | * | No |
| Hardware | apple | ipod_touch | * | No |
| Operating System | apple | iphone_os | * | No |
| Operating System | apple | iphone_os | ≤ 4.2.5 | Yes |
| Operating System | apple | iphone_os | 1.0.0 | Yes |
| Operating System | apple | iphone_os | 1.0.1 | Yes |
| Operating System | apple | iphone_os | 1.0.2 | Yes |
| Operating System | apple | iphone_os | 1.1.0 | Yes |
| Operating System | apple | iphone_os | 1.1.1 | Yes |
| Operating System | apple | iphone_os | 1.1.2 | Yes |
| Operating System | apple | iphone_os | 1.1.3 | Yes |
| Operating System | apple | iphone_os | 1.1.4 | Yes |
| Operating System | apple | iphone_os | 1.1.5 | Yes |
| Operating System | apple | iphone_os | 2.0 | Yes |
| Operating System | apple | iphone_os | 2.0.0 | Yes |
| Operating System | apple | iphone_os | 2.0.1 | Yes |
| Operating System | apple | iphone_os | 2.0.2 | Yes |
| Operating System | apple | iphone_os | 2.1 | Yes |
| Operating System | apple | iphone_os | 2.1.1 | Yes |
| Operating System | apple | iphone_os | 2.2 | Yes |
| Operating System | apple | iphone_os | 2.2.1 | Yes |
| Operating System | apple | iphone_os | 3.0 | Yes |
| Operating System | apple | iphone_os | 3.0.1 | Yes |
| Operating System | apple | iphone_os | 3.1 | Yes |
| Operating System | apple | iphone_os | 3.1.2 | Yes |
| Operating System | apple | iphone_os | 3.1.3 | Yes |
| Operating System | apple | iphone_os | 3.2 | Yes |
| Operating System | apple | iphone_os | 3.2.1 | Yes |
| Operating System | apple | iphone_os | 3.2.2 | Yes |
| Operating System | apple | iphone_os | 4.0 | Yes |
| Operating System | apple | iphone_os | 4.0.1 | Yes |
| Operating System | apple | iphone_os | 4.0.2 | Yes |
| Operating System | apple | iphone_os | 4.1 | Yes |
| Operating System | apple | iphone_os | 4.2 | Yes |
| Operating System | apple | iphone_os | 4.2.1 | Yes |
| Hardware | apple | iphone | 4 | No |