| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | = 30.0= 31.0= 31.1.0≤ 32.0 | |
| thunderbird | = 31.0= 31.1.0 |
Use-after-free vulnerability in DirectionalityUtils.cpp in Mozilla Firefox before 33.0, Firefox ESR 31.x before 31.2, and Thunderbird 31.x before 31.2 allows remote attackers to execute arbitrary code via text that is improperly handled during the interaction between directionality resolution and layout.
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