CVE-2025-9184

Name of the Vulnerable Software and Affected Versions: Firefox versions prior to 142 Firefox ESR versions prior to 140.2 Thunderbird versions prior to 142 Thunderbird ESR versions prior to 140.2

Description: Memory safety bugs are present in the software, with some showing evidence of memory corruption. It is presumed that, with sufficient effort, some of these bugs could be exploited to run arbitrary code.

Recommendations: Update Firefox to version 142 or later. Update Firefox ESR to version 140.2 or later. Update Thunderbird to version 142 or later. Update Thunderbird ESR to version 140.2 or later.