CVE-2024-4769

MEDIUM

Firefox <126, Firefox ESR <115.11, Thunderbird <115.11 - Info Discl...

Title source: llm

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.

References (6)

Core 6

Core References

Issue Tracking

https://bugzilla.mozilla.org/show_bug.cgi?id=1886108

Mailing List

https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html

Mailing List

https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2024-21/

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2024-22/

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2024-23/

Scores

CVSS v3 5.9

EPSS 0.0069

EPSS Percentile 72.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-351

Status published

Products (4)

debian/debian_linux 10.0

mozilla/firefox < 115.11.0

mozilla/firefox < 126.0

mozilla/thunderbird < 115.11.0

Published May 14, 2024

Tracked Since Feb 18, 2026