Matej Smycka

**Name of the Vulnerable Software and Affected Versions** Google Chrome versions prior to 148.0.7778.168 **Description** An out-of-bounds write issue exists in the Fonts component, which occurs when the font rendering engine mishandles memory operations by writing data past an allocated memory buffer. This flaw allows a remote attacker to execute arbitrary code within the browser's sandbox by enticing a user to visit a specially crafted HTML page. **Recommendations** Update Google Chrome to version 148.0.7778.168 or later.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 149 Firefox ESR versions prior to 115.34 Firefox ESR versions prior to 140.9 Thunderbird versions prior to 149 Thunderbird versions prior to 140.9 **Description** The issue involves incorrect boundary conditions within the Layout: Text and Fonts component. This could potentially lead to unexpected behavior or instability when processing text and fonts. **Recommendations** Update Firefox to version 149 or later. Update Firefox ESR to version 115.34 or later. Update Firefox ESR to version 140.9 or later. Update Thunderbird to version 149 or later. Update Thunderbird to version 140.9 or later.