| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | ≤ 31.2≤ 33.0 | |
| seamonkey | ≤ 2.30 | |
| thunderbird | ≤ 31.2 |
Use-after-free vulnerability in the nsHtml5TreeOperation function in xul.dll in Mozilla Firefox before 34.0, Firefox ESR 31.x before 31.3, Thunderbird before 31.3, and SeaMonkey before 2.31 allows remote attackers to execute arbitrary code by adding a second root element to an HTML5 document during parsing.
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