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

A double-free vulnerability exists in the libvpx encoder within the vpx_codec_enc_init_multi function. The issue occurs after a failed allocation when initializing the encoder for WebRTC , potentially leading to memory corruption and an exploitable crash. This vulnerability affects Thunderbird ve...