CVE-2023-4578 | BDVDB-2026-211592 Detail

Description#

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.

Impact#

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Exploit#

History#

1. Version 12023-09-11Record published in the CVE List.
2. Version 22025-12-18Most recent update recorded in the CVE List.