Mozilla fixed a critical zero-day in Firefox and Thunderbird

Mozilla addressed a critical zero-day vulnerability in Firefox and Thunderbird that has been actively exploited in attacks in the wild. Mozilla rolled out security updates to address a critical zero-day vulnerability, tracked as CVE-2023-4863, in Firefox and Thunderbird that has been actively exploited in the wild. The vulnerability is a heap buffer overflow in WebP […]

The post Mozilla fixed a critical zero-day in Firefox and Thunderbird appeared first on Security Affairs.

actively exploited address attacks breaking news critical cve cve-2023-4863 exploited firefox hacking information security news it information security mozilla pierluigi paganini security security updates thunderbird updates vulnerability zero-day zero-day vulnerability