CVE-2021-30123

PoC ×2—

CVSS 3.1

8.8 high

EPSS

3%p88

Published

Apr 7, 2021 (Apr 7, 2021)

Modified

Jun 17, 2026

Description

FFmpeg <=4.3 contains a buffer overflow vulnerability in libavcodec through a crafted file that may lead to remote code execution.

Vendors: ffmpeg
Products: ffmpeg
Weakness: CWE-120
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (3.4%)

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