A double-free could have occurred in `vpx_codec_enc_init_multi` 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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 128.11 | May 28, 2025 | May 27, 2025 |
| Suse | — | Upgrade MozillaThunderbird-translations-commonUpgrade MozillaThunderbirdUpgrade MozillaThunderbird-translations-other | Jun 16, 2025 | May 27, 2025 |
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