CVE-2023-5171

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 118 Firefox ESR versions prior to 115.3 Thunderbird versions prior to 115.3

Description The issue is related to a use-after-free condition that could occur during Ion compilation due to Garbage Collection, potentially allowing an attacker to write two NUL bytes and cause a crash. This could result in a denial of service.

Recommendations For Firefox versions prior to 118, update to version 118 or later. For Firefox ESR versions prior to 115.3, update to version 115.3 or later. For Thunderbird versions prior to 115.3, update to version 115.3 or later.