Mozilla Foundation Security Advisory 2012-24
Potential XSS via multibyte content processing errors
- Announced
- April 24, 2012
- Reporter
- Anne van Kesteren
- Impact
- High
- Products
- Firefox, Firefox ESR, SeaMonkey, Thunderbird, Thunderbird ESR
- Fixed in
-
- Firefox 12
- Firefox ESR 10.0.4
- SeaMonkey 2.9
- Thunderbird 12
- Thunderbird ESR 10.0.4
Description
Anne van Kesteren of Opera Software found a multi-octet encoding issue where certain octets will destroy the following octets in the processing of some multibyte character sets. This can leave users vulnerable to cross-site scripting (XSS) attacks on maliciously crafted web pages.