| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | = 45.1.0= 45.1.1= 45.2.0= 45.3.0≤ 48.0.2 |
Heap-based buffer overflow in the nsCaseTransformTextRunFactory::TransformString function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to cause a denial of service (boolean out-of-bounds write) or possibly have unspecified other impact via Unicode characters that are mishandled during text conversion.
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