cvedb.io
CVE-2025-5262
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2025-05-27T13:15:21.980 · Last modified 2026-06-17T09:47:34.077

Summary

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.

Affected products

mozilla — thunderbird

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.