CVE-2020-12284

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

cbs_jpeg_split_fragment in libavcodec/cbs_jpeg.c in FFmpeg 4.1 and 4.2.2 has a heap-based buffer overflow during JPEG_MARKER_SOS handling because of a missing length check.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Apr 28, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-12284: Critical severity, CVSS 9.8 | Vulnix