CVE-2019-11338

HIGH

FFmpeg <4.1.2 - DoS

Title source: llm

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.

Scores

CVSS v3 8.8
EPSS 0.0195
EPSS Percentile 83.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-476
Status published
Products (10)
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
canonical/ubuntu_linux 19.04
canonical/ubuntu_linux 20.04
debian/debian_linux 8.0
debian/debian_linux 9.0
ffmpeg/ffmpeg 3.4
ffmpeg/ffmpeg 4.1.2
novell/suse_package_hub_for_suse_linux_enterprise 12
Published Apr 19, 2019
Tracked Since Feb 18, 2026