CVE-2025-5262

A double-free could have occurred in vpxcodecencinitmulti after a failed allocation when initializing the encoder for WebRTC. This could have caused memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 139 and Thunderbird 128.11...

CVE-2025-5262

CVE-2025-5262: A double-free in vpx_codec_enc_init_multi after a failed allocation during WebRTC encoder initialization can cause memory corruption and a potentially exploitable crash. Affected: Thunderbird < 139 and Thunderbird