CVE-2023-50010

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-04-19 · updated 2026-06-17
Weakness: CWE-120

Description

FFmpeg v.n6.1-3-g466799d4f5 allows a buffer over-read at ff_gradfun_blur_line_movdqa_sse2, as demonstrated by a call to the set_encoder_id function in /fftools/ffmpeg_enc.c component.

Affected products

Fedoraproject Fedora: 38, 39, 40
FFmpeg: from 6.1 before 7.0 — fixed in 7.0

How to fix

Upgrade to a fixed version: FFmpeg 7.0. Check the vendor advisory for mitigations.

References

https://ffmpeg.org/
https://git.ffmpeg.org/gitweb/ffmpeg.git/blobdiff/ab0fdaedd1e7224f7e84ea22fcbfaa4ca75a6c06..e4d2666bdc3dbd177a81bbf428654a5f2fa3787a:/libavfilter/vf_gradfun.c
https://github.com/FFmpeg/FFmpeg/commit/e4d2666bdc3dbd177a81bbf428654a5f2fa3787a
https://github.com/FFmpeg/FFmpeg/commit/e809c23786fe297797198a7b9f5d3392d581daf1
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6G7EYH2JAK5OJPVNC6AXYQ5K7YGYNCDN/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IPETICRXUOGRIM4U3BCRTIKE3IZWCSBT/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LE3ASLH6QF2E5OVJI5VA3JSEPJFFFMNY/
https://trac.ffmpeg.org/ticket/10702
https://ffmpeg.org/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6G7EYH2JAK5OJPVNC6AXYQ5K7YGYNCDN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPETICRXUOGRIM4U3BCRTIKE3IZWCSBT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LE3ASLH6QF2E5OVJI5VA3JSEPJFFFMNY/

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