intl/uconv/util/nsUnicodeDecodeHelper.cpp in Mozilla Firefox before 3.6.7 and Thunderbird before 3.1.1 inserts a U+FFFD sequence into text in certain circumstances involving undefined positions, which might make it easier for remote attackers to conduct cross-site scripting (XSS) attacks via crafted 8-bit text.
2010-07-30T20:30:01.473
2025-04-11T00:51:21.963
Deferred
CVSSv2: 4.3 (MEDIUM)
AV:N/AC:M/Au:N/C:N/I:P/A:N
8.6
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | mozilla | firefox | ≤ 3.6.6 | Yes |
| Application | mozilla | firefox | 0.1 | Yes |
| Application | mozilla | firefox | 0.2 | Yes |
| Application | mozilla | firefox | 0.3 | Yes |
| Application | mozilla | firefox | 0.4 | Yes |
| Application | mozilla | firefox | 0.5 | Yes |
| Application | mozilla | firefox | 0.6 | Yes |
| Application | mozilla | firefox | 0.6.1 | Yes |
| Application | mozilla | firefox | 0.7 | Yes |
| Application | mozilla | firefox | 0.7.1 | Yes |
| Application | mozilla | firefox | 0.8 | Yes |
| Application | mozilla | firefox | 0.9 | Yes |
| Application | mozilla | firefox | 0.9 | Yes |
| Application | mozilla | firefox | 0.9.1 | Yes |
| Application | mozilla | firefox | 0.9.2 | Yes |
| Application | mozilla | firefox | 0.9.3 | Yes |
| Application | mozilla | firefox | 0.10 | Yes |
| Application | mozilla | firefox | 0.10.1 | 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 | 1.4.1 | 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 | 1.8 | Yes |
| Application | mozilla | firefox | 2.0 | Yes |
| Application | mozilla | firefox | 2.0 | Yes |
| Application | mozilla | firefox | 2.0 | Yes |
| Application | mozilla | firefox | 2.0 | 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 | 2.0.0.21 | Yes |
| Application | mozilla | firefox | 3.0 | Yes |
| Application | mozilla | firefox | 3.0 | Yes |
| Application | mozilla | firefox | 3.0 | 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 | 3.0.19 | Yes |
| Application | mozilla | firefox | 3.1 | Yes |
| Application | mozilla | firefox | 3.2 | Yes |
| Application | mozilla | firefox | 3.2 | Yes |
| Application | mozilla | firefox | 3.2 | 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 | 3.5.9 | Yes |
| Application | mozilla | firefox | 3.5.10 | Yes |
| Application | mozilla | firefox | 3.6.1 | Yes |
| Application | mozilla | firefox | 3.6.2 | Yes |
| Application | mozilla | firefox | 3.6.3 | Yes |
| Application | mozilla | firefox | 3.6.4 | Yes |
| Application | mozilla | thunderbird | ≤ 3.1 | 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 | 1.0.5 | 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 | 2.0.0.0 | 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 | 2.0.0.11 | Yes |
| Application | mozilla | thunderbird | 2.0.0.12 | Yes |
| Application | mozilla | thunderbird | 2.0.0.13 | Yes |
| Application | mozilla | thunderbird | 2.0.0.14 | Yes |
| Application | mozilla | thunderbird | 2.0.0.15 | 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 | 2.0.0.20 | 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 |