CVE-2020-13428

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-06-08 · updated 2026-06-17
Weakness: CWE-787

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.

Affected products

Debian Linux: 9.0, 10.0
VideoLAN VLC: before 3.0.11 — fixed in 3.0.11

How to fix

Upgrade to a fixed version: VideoLAN VLC 3.0.11. Check the vendor advisory for mitigations.

References

http://git.videolan.org/?p=vlc/vlc-3.0.git%3Ba=commit%3Bh=d5c43c21c747ff30ed19fcca745dea3481c733e0
https://github.com/videolan/vlc-3.0/releases/tag/3.0.11
https://github.com/videolan/vlc/commits/master/modules/packetizer/hxxx_nal.c
https://www.debian.org/security/2020/dsa-4704
https://www.videolan.org/security/sb-vlc3011.html
http://git.videolan.org/?p=vlc/vlc-3.0.git%3Ba=commit%3Bh=d5c43c21c747ff30ed19fcca745dea3481c733e0
https://github.com/videolan/vlc-3.0/releases/tag/3.0.11
https://github.com/videolan/vlc/commits/master/modules/packetizer/hxxx_nal.c
https://www.debian.org/security/2020/dsa-4704
https://www.videolan.org/security/sb-vlc3011.html

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