| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 117.0 | 117.0 |
| firefox esr | < 115.2 | 115.2 |
| thunderbird | < 115.2 | 115.2 |
When calling `JS::CheckRegExpSyntax` a Syntax Error could have been set which would end in calling `convertToRuntimeErrorAndClear`. A path in the function could attempt to allocate memory when none is available which would have caused a newly created Out of Memory exception to be mishandled as a Syntax Error. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
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