Mozilla Firefox before 3.6.18, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 do not distinguish between cookies for two domain names that differ only in a trailing dot, which allows remote web servers to bypass the Same Origin Policy via Set-Cookie headers.
2011-06-30T16:55:05.020
2025-04-11T00:51:21.963
Deferred
CVSSv2: 5.0 (MEDIUM)
AV:N/AC:L/Au:N/C:N/I:P/A:N
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | mozilla | seamonkey | 1.0 | Yes |
| Application | mozilla | seamonkey | 1.0 | Yes |
| Application | mozilla | seamonkey | 1.0 | Yes |
| Application | mozilla | seamonkey | 1.0.1 | Yes |
| Application | mozilla | seamonkey | 1.0.2 | Yes |
| Application | mozilla | seamonkey | 1.0.3 | Yes |
| Application | mozilla | seamonkey | 1.0.4 | Yes |
| Application | mozilla | seamonkey | 1.0.5 | Yes |
| Application | mozilla | seamonkey | 1.0.6 | Yes |
| Application | mozilla | seamonkey | 1.0.7 | Yes |
| Application | mozilla | seamonkey | 1.0.8 | Yes |
| Application | mozilla | seamonkey | 1.0.9 | Yes |
| Application | mozilla | seamonkey | 1.1 | Yes |
| Application | mozilla | seamonkey | 1.1 | Yes |
| Application | mozilla | seamonkey | 1.1 | Yes |
| Application | mozilla | seamonkey | 1.1.1 | Yes |
| Application | mozilla | seamonkey | 1.1.2 | Yes |
| Application | mozilla | seamonkey | 1.1.3 | Yes |
| Application | mozilla | seamonkey | 1.1.4 | Yes |
| Application | mozilla | seamonkey | 1.1.5 | Yes |
| Application | mozilla | seamonkey | 1.1.6 | Yes |
| Application | mozilla | seamonkey | 1.1.7 | Yes |
| Application | mozilla | seamonkey | 1.1.8 | Yes |
| Application | mozilla | seamonkey | 1.1.9 | Yes |
| Application | mozilla | seamonkey | 1.1.10 | Yes |
| Application | mozilla | seamonkey | 1.1.11 | Yes |
| Application | mozilla | seamonkey | 1.1.12 | Yes |
| Application | mozilla | seamonkey | 1.1.13 | Yes |
| Application | mozilla | seamonkey | 1.1.14 | Yes |
| Application | mozilla | seamonkey | 1.1.15 | Yes |
| Application | mozilla | seamonkey | 1.1.16 | Yes |
| Application | mozilla | seamonkey | 1.1.17 | Yes |
| Application | mozilla | seamonkey | 1.1.18 | Yes |
| Application | mozilla | seamonkey | 1.1.19 | Yes |
| Application | mozilla | seamonkey | 1.5.0.8 | Yes |
| Application | mozilla | seamonkey | 1.5.0.9 | Yes |
| Application | mozilla | seamonkey | 1.5.0.10 | Yes |
| Application | mozilla | seamonkey | 2.0 | Yes |
| Application | mozilla | seamonkey | 2.0 | Yes |
| Application | mozilla | seamonkey | 2.0 | Yes |
| Application | mozilla | seamonkey | 2.0 | Yes |
| Application | mozilla | seamonkey | 2.0 | Yes |
| Application | mozilla | seamonkey | 2.0 | Yes |
| Application | mozilla | seamonkey | 2.0 | Yes |
| Application | mozilla | seamonkey | 2.0 | Yes |
| Application | mozilla | seamonkey | 2.0.1 | Yes |
| Application | mozilla | seamonkey | 2.0.2 | Yes |
| Application | mozilla | seamonkey | 2.0.3 | Yes |
| Application | mozilla | seamonkey | 2.0.4 | Yes |
| Application | mozilla | seamonkey | 2.0.5 | Yes |
| Application | mozilla | seamonkey | 2.0.6 | Yes |
| Application | mozilla | seamonkey | 2.0.7 | Yes |
| Application | mozilla | seamonkey | 2.0.8 | Yes |
| Application | mozilla | seamonkey | 2.0.9 | Yes |
| Application | mozilla | seamonkey | 2.0.10 | Yes |
| Application | mozilla | seamonkey | 2.0.11 | Yes |
| Application | mozilla | seamonkey | 2.0.12 | Yes |
| Application | mozilla | seamonkey | 2.0.13 | Yes |
| Application | mozilla | seamonkey | 2.0.14 | Yes |
| Application | mozilla | firefox | ≤ 3.6.17 | Yes |
| Application | mozilla | firefox | 1.0 | Yes |
| Application | mozilla | firefox | 1.0 | Yes |
| Application | mozilla | firefox | 1.0.1 | Yes |
| Application | mozilla | firefox | 1.0.2 | Yes |
| Application | mozilla | firefox | 1.0.3 | Yes |
| Application | mozilla | firefox | 1.0.4 | Yes |
| Application | mozilla | firefox | 1.0.5 | Yes |
| Application | mozilla | firefox | 1.0.6 | Yes |
| Application | mozilla | firefox | 1.0.7 | Yes |
| Application | mozilla | firefox | 1.0.8 | Yes |
| Application | mozilla | firefox | 1.5 | Yes |
| Application | mozilla | firefox | 1.5 | Yes |
| Application | mozilla | firefox | 1.5 | Yes |
| Application | mozilla | firefox | 1.5.0.1 | Yes |
| Application | mozilla | firefox | 1.5.0.2 | Yes |
| Application | mozilla | firefox | 1.5.0.3 | Yes |
| Application | mozilla | firefox | 1.5.0.4 | Yes |
| Application | mozilla | firefox | 1.5.0.5 | Yes |
| Application | mozilla | firefox | 1.5.0.6 | Yes |
| Application | mozilla | firefox | 1.5.0.7 | Yes |
| Application | mozilla | firefox | 1.5.0.8 | Yes |
| Application | mozilla | firefox | 1.5.0.9 | Yes |
| Application | mozilla | firefox | 1.5.0.10 | Yes |
| Application | mozilla | firefox | 1.5.0.11 | Yes |
| Application | mozilla | firefox | 1.5.0.12 | Yes |
| Application | mozilla | firefox | 1.5.1 | Yes |
| Application | mozilla | firefox | 1.5.2 | Yes |
| Application | mozilla | firefox | 1.5.3 | Yes |
| Application | mozilla | firefox | 1.5.4 | Yes |
| Application | mozilla | firefox | 1.5.5 | Yes |
| Application | mozilla | firefox | 1.5.6 | Yes |
| Application | mozilla | firefox | 1.5.7 | Yes |
| Application | mozilla | firefox | 1.5.8 | Yes |
| Application | mozilla | firefox | 2.0 | Yes |
| Application | mozilla | firefox | 2.0.0.1 | Yes |
| Application | mozilla | firefox | 2.0.0.2 | Yes |
| Application | mozilla | firefox | 2.0.0.3 | Yes |
| Application | mozilla | firefox | 2.0.0.4 | Yes |
| Application | mozilla | firefox | 2.0.0.5 | Yes |
| Application | mozilla | firefox | 2.0.0.6 | Yes |
| Application | mozilla | firefox | 2.0.0.7 | Yes |
| Application | mozilla | firefox | 2.0.0.8 | Yes |
| Application | mozilla | firefox | 2.0.0.9 | Yes |
| Application | mozilla | firefox | 2.0.0.10 | Yes |
| Application | mozilla | firefox | 2.0.0.11 | Yes |
| Application | mozilla | firefox | 2.0.0.12 | Yes |
| Application | mozilla | firefox | 2.0.0.13 | Yes |
| Application | mozilla | firefox | 2.0.0.14 | Yes |
| Application | mozilla | firefox | 2.0.0.15 | Yes |
| Application | mozilla | firefox | 2.0.0.16 | Yes |
| Application | mozilla | firefox | 2.0.0.17 | Yes |
| Application | mozilla | firefox | 2.0.0.18 | Yes |
| Application | mozilla | firefox | 2.0.0.19 | Yes |
| Application | mozilla | firefox | 2.0.0.20 | Yes |
| Application | mozilla | firefox | 3.0 | Yes |
| Application | mozilla | firefox | 3.0.1 | Yes |
| Application | mozilla | firefox | 3.0.2 | Yes |
| Application | mozilla | firefox | 3.0.3 | Yes |
| Application | mozilla | firefox | 3.0.4 | Yes |
| Application | mozilla | firefox | 3.0.5 | Yes |
| Application | mozilla | firefox | 3.0.6 | Yes |
| Application | mozilla | firefox | 3.0.7 | Yes |
| Application | mozilla | firefox | 3.0.8 | Yes |
| Application | mozilla | firefox | 3.0.9 | Yes |
| Application | mozilla | firefox | 3.0.10 | Yes |
| Application | mozilla | firefox | 3.0.11 | Yes |
| Application | mozilla | firefox | 3.0.12 | Yes |
| Application | mozilla | firefox | 3.0.13 | Yes |
| Application | mozilla | firefox | 3.0.14 | Yes |
| Application | mozilla | firefox | 3.0.15 | Yes |
| Application | mozilla | firefox | 3.0.16 | Yes |
| Application | mozilla | firefox | 3.0.17 | Yes |
| Application | mozilla | firefox | 3.5 | Yes |
| Application | mozilla | firefox | 3.5.1 | Yes |
| Application | mozilla | firefox | 3.5.2 | Yes |
| Application | mozilla | firefox | 3.5.3 | Yes |
| Application | mozilla | firefox | 3.5.4 | Yes |
| Application | mozilla | firefox | 3.5.5 | Yes |
| Application | mozilla | firefox | 3.5.6 | Yes |
| Application | mozilla | firefox | 3.5.7 | Yes |
| Application | mozilla | firefox | 3.5.8 | Yes |
| Application | mozilla | firefox | 3.5.9 | Yes |
| Application | mozilla | firefox | 3.5.10 | Yes |
| Application | mozilla | firefox | 3.5.11 | Yes |
| Application | mozilla | firefox | 3.5.12 | Yes |
| Application | mozilla | firefox | 3.5.13 | Yes |
| Application | mozilla | firefox | 3.5.14 | Yes |
| Application | mozilla | firefox | 3.5.15 | Yes |
| Application | mozilla | firefox | 3.5.16 | Yes |
| Application | mozilla | firefox | 3.5.17 | Yes |
| Application | mozilla | firefox | 3.5.18 | Yes |
| Application | mozilla | firefox | 3.5.19 | Yes |
| Application | mozilla | firefox | 3.6 | Yes |
| Application | mozilla | firefox | 3.6.2 | Yes |
| Application | mozilla | firefox | 3.6.3 | Yes |
| Application | mozilla | firefox | 3.6.4 | Yes |
| Application | mozilla | firefox | 3.6.6 | Yes |
| Application | mozilla | firefox | 3.6.7 | Yes |
| Application | mozilla | firefox | 3.6.8 | Yes |
| Application | mozilla | firefox | 3.6.9 | Yes |
| Application | mozilla | firefox | 3.6.10 | Yes |
| Application | mozilla | firefox | 3.6.11 | Yes |
| Application | mozilla | firefox | 3.6.12 | Yes |
| Application | mozilla | firefox | 3.6.13 | Yes |
| Application | mozilla | firefox | 3.6.14 | Yes |
| Application | mozilla | firefox | 3.6.15 | Yes |
| Application | mozilla | firefox | 3.6.16 | Yes |
| Application | mozilla | thunderbird | ≤ 3.1.10 | Yes |
| Application | mozilla | thunderbird | 0.1 | Yes |
| Application | mozilla | thunderbird | 0.2 | Yes |
| Application | mozilla | thunderbird | 0.3 | Yes |
| Application | mozilla | thunderbird | 0.4 | Yes |
| Application | mozilla | thunderbird | 0.5 | Yes |
| Application | mozilla | thunderbird | 0.6 | Yes |
| Application | mozilla | thunderbird | 0.7 | Yes |
| Application | mozilla | thunderbird | 0.7.1 | Yes |
| Application | mozilla | thunderbird | 0.7.2 | Yes |
| Application | mozilla | thunderbird | 0.7.3 | Yes |
| Application | mozilla | thunderbird | 0.8 | Yes |
| Application | mozilla | thunderbird | 0.9 | Yes |
| Application | mozilla | thunderbird | 1.0 | Yes |
| Application | mozilla | thunderbird | 1.0.1 | Yes |
| Application | mozilla | thunderbird | 1.0.2 | Yes |
| Application | mozilla | thunderbird | 1.0.3 | Yes |
| Application | mozilla | thunderbird | 1.0.4 | Yes |
| Application | mozilla | thunderbird | 1.0.5 | Yes |
| Application | mozilla | thunderbird | 1.0.6 | Yes |
| Application | mozilla | thunderbird | 1.0.7 | Yes |
| Application | mozilla | thunderbird | 1.0.8 | Yes |
| Application | mozilla | thunderbird | 1.5 | Yes |
| Application | mozilla | thunderbird | 1.5 | Yes |
| Application | mozilla | thunderbird | 1.5.0.1 | Yes |
| Application | mozilla | thunderbird | 1.5.0.2 | Yes |
| Application | mozilla | thunderbird | 1.5.0.3 | Yes |
| Application | mozilla | thunderbird | 1.5.0.4 | Yes |
| Application | mozilla | thunderbird | 1.5.0.5 | Yes |
| Application | mozilla | thunderbird | 1.5.0.6 | Yes |
| Application | mozilla | thunderbird | 1.5.0.7 | Yes |
| Application | mozilla | thunderbird | 1.5.0.8 | Yes |
| Application | mozilla | thunderbird | 1.5.0.9 | Yes |
| Application | mozilla | thunderbird | 1.5.0.10 | Yes |
| Application | mozilla | thunderbird | 1.5.0.11 | Yes |
| Application | mozilla | thunderbird | 1.5.0.12 | Yes |
| Application | mozilla | thunderbird | 1.5.0.13 | Yes |
| Application | mozilla | thunderbird | 1.5.0.14 | Yes |
| Application | mozilla | thunderbird | 1.5.1 | Yes |
| Application | mozilla | thunderbird | 1.5.2 | Yes |
| Application | mozilla | thunderbird | 1.7.1 | Yes |
| Application | mozilla | thunderbird | 1.7.3 | Yes |
| Application | mozilla | thunderbird | 2.0 | Yes |
| Application | mozilla | thunderbird | 2.0.0.0 | Yes |
| Application | mozilla | thunderbird | 2.0.0.1 | Yes |
| Application | mozilla | thunderbird | 2.0.0.2 | Yes |
| Application | mozilla | thunderbird | 2.0.0.3 | Yes |
| Application | mozilla | thunderbird | 2.0.0.4 | Yes |
| Application | mozilla | thunderbird | 2.0.0.5 | Yes |
| Application | mozilla | thunderbird | 2.0.0.6 | Yes |
| Application | mozilla | thunderbird | 2.0.0.7 | Yes |
| Application | mozilla | thunderbird | 2.0.0.8 | Yes |
| Application | mozilla | thunderbird | 2.0.0.9 | Yes |
| Application | mozilla | thunderbird | 2.0.0.12 | Yes |
| Application | mozilla | thunderbird | 2.0.0.14 | Yes |
| Application | mozilla | thunderbird | 2.0.0.16 | Yes |
| Application | mozilla | thunderbird | 2.0.0.17 | Yes |
| Application | mozilla | thunderbird | 2.0.0.18 | Yes |
| Application | mozilla | thunderbird | 2.0.0.19 | Yes |
| Application | mozilla | thunderbird | 2.0.0.21 | Yes |
| Application | mozilla | thunderbird | 2.0.0.22 | Yes |
| Application | mozilla | thunderbird | 2.0.0.23 | Yes |
| Application | mozilla | thunderbird | 3.0 | Yes |
| Application | mozilla | thunderbird | 3.0.1 | Yes |
| Application | mozilla | thunderbird | 3.0.2 | Yes |
| Application | mozilla | thunderbird | 3.0.3 | Yes |
| Application | mozilla | thunderbird | 3.0.4 | Yes |
| Application | mozilla | thunderbird | 3.0.5 | Yes |
| Application | mozilla | thunderbird | 3.0.6 | Yes |
| Application | mozilla | thunderbird | 3.0.7 | Yes |
| Application | mozilla | thunderbird | 3.0.8 | Yes |
| Application | mozilla | thunderbird | 3.0.9 | Yes |
| Application | mozilla | thunderbird | 3.0.10 | Yes |
| Application | mozilla | thunderbird | 3.0.11 | Yes |
| Application | mozilla | thunderbird | 3.1 | Yes |
| Application | mozilla | thunderbird | 3.1.1 | Yes |
| Application | mozilla | thunderbird | 3.1.2 | Yes |
| Application | mozilla | thunderbird | 3.1.3 | Yes |
| Application | mozilla | thunderbird | 3.1.4 | Yes |
| Application | mozilla | thunderbird | 3.1.5 | Yes |
| Application | mozilla | thunderbird | 3.1.6 | Yes |
| Application | mozilla | thunderbird | 3.1.7 | Yes |
| Application | mozilla | thunderbird | 3.1.8 | Yes |
| Application | mozilla | thunderbird | 3.1.9 | Yes |