CVE-2024-4769 Information

Description

When importing resources using Web Workers error messages would distinguish the difference between application/javascript responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 126 Firefox ESR < 115.11 and Thunderbird < 115.11.

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1886108 https://www.mozilla.org/security/advisories/mfsa2024-21/ https://www.mozilla.org/security/advisories/mfsa2024-22/ https://www.mozilla.org/security/advisories/mfsa2024-23/