CVE-2025-4084

Medium

Description

Due to insufficient escaping of the special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. *This bug only affects Firefox for Windows. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox ESR 128.10, Firefox ESR 115.23, and Thunderbird 128.10.

SeverityMedium
CVSS5.7
Exploit probability—
ProductMozilla Firefox
PublishedApr 29, 2025
First seenApr 29, 2025
Weakness typeCWE-116CWE-116

How to fix

Update
  • mozilla firefox115.23, 128.10 or later
  • mozilla thunderbird128.10.0 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 115.23, 128.0 ≤ v < 128.10115.23, 128.10
mozilla thunderbirdv < 128.10.0128.10.0

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