Integer overflow in Mozilla Firefox and Firefox ESR - CVE-2023-4576

Detailed vulnerability description

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

The vulnerability exists due to integer overflow in RecordedSourceSurfaceCreation. A remote attacker can trick the victim to visit a specially crafted website, trigger an integer overflow and execute arbitrary code on the target system.

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

Note, the vulnerability affects Firefox installations on Windows only.

How to mitigate CVE-2023-4576

Sources

• https://www.mozilla.org/en-US/security/advisories/mfsa2023-34/
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-35/
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-36/