CVE-2019-11338

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

libavcodec/hevcdec.c in FFmpeg 3.4 and 4.1.2 mishandles detection of duplicate first slices, which allows remote attackers to cause a denial of service (NULL pointer dereference and out-of-array access) or possibly have unspecified other impact via crafted HEVC data.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00012.htmlMailing List, Third Party Advisory
http://www.securityfocus.com/bid/108034Broken Link
https://github.com/FFmpeg/FFmpeg/commit/54655623a82632e7624714d7b2a3e039dc5faa7ePatch, Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/9ccc633068c6fe76989f487c8932bd11886ad65bPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00043.htmlMailing List, Third Party Advisory
https://seclists.org/bugtraq/2019/May/60Mailing List, Third Party Advisory
https://usn.ubuntu.com/3967-1/Third Party Advisory
https://usn.ubuntu.com/4431-1/Third Party Advisory
https://www.debian.org/security/2019/dsa-4449Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00012.htmlMailing List, Third Party Advisory
http://www.securityfocus.com/bid/108034Broken Link
https://github.com/FFmpeg/FFmpeg/commit/54655623a82632e7624714d7b2a3e039dc5faa7ePatch, Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/9ccc633068c6fe76989f487c8932bd11886ad65bPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00043.htmlMailing List, Third Party Advisory
https://seclists.org/bugtraq/2019/May/60Mailing List, Third Party Advisory
https://usn.ubuntu.com/3967-1/Third Party Advisory
https://usn.ubuntu.com/4431-1/Third Party Advisory
https://www.debian.org/security/2019/dsa-4449Third Party Advisory

Timeline

Published: Apr 19, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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