CVE-2019-11338

high-risk

Published 2019-04-19

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.

Do I need to act?

2.0% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 8.8/10 High

NETWORK / LOW complexity

Affected Products (10)

Ffmpeg

Debian Linux

Suse Package Hub For Suse Linux Enterprise

Ubuntu Linux

Affected Vendors

Novell Debian Canonical Ffmpeg

References (18)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00012.html

Broken Link http://www.securityfocus.com/bid/108034

Patch https://github.com/FFmpeg/FFmpeg/commit/54655623a82632e7624714d7b2a3e039dc5faa7e

Patch https://github.com/FFmpeg/FFmpeg/commit/9ccc633068c6fe76989f487c8932bd11886ad65b

Mailing List https://lists.debian.org/debian-lts-announce/2019/05/msg00043.html

Mailing List https://seclists.org/bugtraq/2019/May/60

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-4449