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CVE-2026-107660

nvd nist
Published: Oct 8, 2026Modified: Oct 14, 2026

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6.3
Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less
Source: disclosure@vulncheck.com (Secondary)

Description

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.

Affected (2)

Products: Ffmpeg: Ffmpeg
Ffmpeg
1 product
Ffmpeg
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Ffmpeg
Ffmpeg
version < 8.1.3
Ffmpeg
9.0 ≤ version < 9.0.2

Related CWEs

CWE-297
Improper Validation of Certificate with Host Mismatch
The product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host.

References (7)

Source: disclosure@vulncheck.com
Patch
Source: disclosure@vulncheck.com
Patch
Source: disclosure@vulncheck.com
Patch
Source: disclosure@vulncheck.com
Issue TrackingPatch
Source: disclosure@vulncheck.com
Product
Source: disclosure@vulncheck.com
Product
Source: disclosure@vulncheck.com
Third Party Advisory

Timeline

No history available yet.