| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 27.0 | 27.0 |
| seamonkey | < 2.24 | 2.24 |
The Content Security Policy (CSP) implementation in Mozilla Firefox before 27.0 and SeaMonkey before 2.24 operates on XSLT stylesheets according to style-src directives instead of script-src directives, which might allow remote attackers to execute arbitrary XSLT code by leveraging insufficient style-src restrictions.
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