Buffer overflow in Mozilla products - CVE-2023-4056

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 when processing HTML content. A remote attacker can trick the victim into opening a specially crafted web page, 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-2023-4056

Sources

• https://www.mozilla.org/en-US/security/advisories/mfsa2023-29/
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-31/
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-30/