Description
A heap-based buffer overflow in the hxxx_AnnexB_to_xVC function in modules/packetizer/hxxx_nal.c in VideoLAN VLC media player before 3.0.11 for macOS/iOS allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via a crafted H.264 Annex-B video (.avi for example) file.
References (5)
Core 5
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/videolan/vlc/commits/master/modules/packetizer/hxxx_nal.c
Patch x_refsource_misc
http://git.videolan.org/?p=vlc/vlc-3.0.git%3Ba=commit%3Bh=d5c43c21c747ff30ed19fcca745dea3481c733e0
Release Notes, Third Party Advisory x_refsource_confirm
https://github.com/videolan/vlc-3.0/releases/tag/3.0.11
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4704
Vendor Advisory x_refsource_confirm
https://www.videolan.org/security/sb-vlc3011.html
Scores
CVSS v3
7.8
EPSS
0.0239
EPSS Percentile
82.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (3)
debian/debian_linux
9.0
debian/debian_linux
10.0
videolan/vlc_media_player
< 3.0.11 (2 CPE variants)
Published
Jun 08, 2020
Tracked Since
Feb 18, 2026