| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | ≤ 1.5.0.3 | |
| thunderbird | ≤ 1.5.0.3 |
Mozilla Firefox and Thunderbird before 1.5.0.4 strip the Unicode Byte-order-Mark (BOM) from a UTF-8 page before the page is passed to the parser, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a BOM sequence in the middle of a dangerous tag such as SCRIPT.
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