Buffer overflow in Mozilla products - CVE-2025-8034

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

How to mitigate CVE-2025-8034

Sources

• https://www.mozilla.org/en-US/security/advisories/mfsa2025-57/
• https://www.mozilla.org/en-US/security/advisories/mfsa2025-58/
• https://www.mozilla.org/en-US/security/advisories/mfsa2025-59/
• https://www.mozilla.org/en-US/security/advisories/mfsa2025-56/