CVE-2024-4769

When importing resources using Web Workers, error messages would distinguish the difference between `application/javascript` responses and non-script responses

Medium · published May 14, 2024

CVSS v3.1
5.9
EPSS
0%
Percentile
29.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00369 · 29.6th percentile
Published
2024-05-14T17:21Z
EPSS history
Timeline
  • 14 MAY 17:21Z
    When importing resources using Web Workers, error messages would distinguish the difference between `application/javascript` responses and non-script responses
    cvelistv5