CVE-2024-4769

Medium

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.

SeverityMedium
CVSS5.9
Exploit probability—
ProductMozilla Firefox
PublishedMay 14, 2024
First seenMay 14, 2024
Weakness typeCWE-351CWE-351

How to fix

Update
  • mozilla firefox115.11.0, 126.0 or later
  • mozilla thunderbird115.11.0 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 115.11.0, v < 126.0115.11.0, 126.0
mozilla thunderbirdv < 115.11.0115.11.0
debian debian_linux10.0—

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