CVE-2024-4769

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.

Score

CVSS 3.1 5.9 Medium

Status

Analyzed - security@mozilla.org

Published

2024-05-14

Last modified

2025-02-13

Weaknesses

CWE-351

Affected products

• Debian Linux (Debian)
• Firefox (Mozilla)
• Firefox Esr (Mozilla)
• Thunderbird (Mozilla)

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1886108
• https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html
• https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html
• https://www.mozilla.org/security/advisories/mfsa2024-21/
• https://www.mozilla.org/security/advisories/mfsa2024-22/
• https://www.mozilla.org/security/advisories/mfsa2024-23/