CVE-2019-17539

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

In FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL pointer dereference and possibly unspecified other impact when there is no valid close function pointer.

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

Affected software

No affected versions have been published.

Timeline

Published
Oct 14, 2019
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2019

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CVE-2019-17539: Critical severity, CVSS 9.8 | Vulnix