Mozilla Security Advisory (30th May 2025)

Ref# ADV2025_137 | Date: May 30th 2025

Mozilla has published a security advisory to address vulnerabilities affecting the following product on May 27, 2025. It is recommended that you take the necessary precautions to ensure your products are always protected.

  • Firefox ESR – versions prior to 128.11 
  • Firefox ESR – versions prior to 115.24 
  • Firefox – versions prior to 139 

For more information on this update, you can follow this URL: 

  1. https://www.mozilla.org/en-US/security/advisories/mfsa2025-44/
  2. https://www.mozilla.org/en-US/security/advisories/mfsa2025-43/
  3. https://www.mozilla.org/en-US/security/advisories/mfsa2025-42/

The Guyana National CIRT recommends that users and administrators review this update and apply it where necessary.

PDF Download: Mozilla Security Advisory

References