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9.8

Firefox and Thunderbird: Missing Warning for Downloaded Files on Windows

CVE-2024-11693 · published 1 year ago
Summary

If you use Firefox or Thunderbird on Windows, you may not see a warning when downloading files that could harm your computer. This affects older versions of these programs. To stay safe, update to the latest version.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
mozilla firefox < 128.5.0
< 133.0
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
mozilla thunderbird < 128.5.0
>= 129.0, < 133.0
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Original advisory text
The executable file warning was not presented when downloading .library-ms files. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.* This vulnerab...
The executable file warning was not presented when downloading .library-ms files.
*Note: This issue only affected Windows operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
9.8 Critical
Exploitation
<1% chance of attack within 30 days
Timeline
Published26 Nov 2024
Updated31 Oct 2026
First seen7 Mar 2026
Sources
CVE-2024-11693 · NVD
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