CVE-2024-3859

Name of the Vulnerable Software and Affected Versions: Firefox versions prior to 125 Firefox ESR versions prior to 115.10 Thunderbird versions prior to 115.10

Description: The issue is related to an integer overflow that leads to an out-of-bounds read, potentially triggered by a malformed OpenType font. This could allow a remote attacker to gain unauthorized access to protected information when processing OpenType fonts.

Recommendations: For Firefox versions prior to 125, update to version 125 or later. For Firefox ESR versions prior to 115.10, update to version 115.10 or later. For Thunderbird versions prior to 115.10, update to version 115.10 or later.