Ref# ADV2025_75 | Date: Mar 6th 2025

---

Mozilla has published a security advisory highlighting vulnerabilities in the following products on March 4th, 2025. It is recommended that you take the necessary precautions by ensuring your products are always updated.

• Firefox ESR – versions prior to 128.8
• Firefox ESR – versions prior to 115.21
• Firefox – versions prior to 136

For more information on these updates, you can follow these URLs: 

• Mozilla Security Advisory (MFSA 2025-16) 
• Mozilla Security Advisory (MFSA 2025-15) 
• Mozilla Security Advisory (MFSA 2025-14)

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

PDF Download: Mozilla Security Advisory

References

• Mozilla Security Advisories. (March 4th, 2025). Retrieved from Mozilla. https://www.mozilla.org/en-US/security/advisories/
• Mozilla Security Advisory. (March 4th, 2025). Retrieved from Canadian Centre for Cyber Security. https://www.cyber.gc.ca/en/alerts-advisories/mozilla-security-advisory-av25-115