ffmpeg: FFmpeg before 8.1.3 and 9.x before 9.0.2 contains an improper certificate validation vulnerability in tls_open() of l...
CVE-2026-107660 is fixed in ffmpeg on 1 platform by DEBIAN-CVE-2026-107660 (version 7:9.0.2-1), released October 9, 2026. It is not reported as exploited. Patch Radar priority: Routine.
FFmpeg before 8.1.3 and 9.x before 9.0.2 contains an improper certificate validation vulnerability in tls_open() of libavformat/tls_mbedtls.c, which skips hostname checks for IP-address hosts. Network attackers can intercept https, rtmps, or tls connections to IP-literal URLs with any trusted CA-issued certificate to read and tamper with streams.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| ffmpeg · Debian 14 | 7:9.0.2-1 | DEBIAN-CVE-2026-107660 | Oct 9, 2026 |
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