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Vulnerability record · CVE-2020-13428 · published 8 June 2020

CVE-2020-13428: Videolan vlc media player out-of-bounds write vulnerability

Videolan · Vlc Media Player

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.

7.8 CVSS 3.1 High EPSS 2.4% · top 16.4% CWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 6.8
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

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.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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 Release NotesThird Party Advisory
https://github.com/videolan/vlc/commits/master/modules/packetizer/hxxx_nal.c PatchThird Party Advisory
https://www.debian.org/security/2020/dsa-4704 Third Party Advisory
https://www.videolan.org/security/sb-vlc3011.html Vendor Advisory
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 Release NotesThird Party Advisory
https://github.com/videolan/vlc/commits/master/modules/packetizer/hxxx_nal.c PatchThird Party Advisory
https://www.debian.org/security/2020/dsa-4704 Third Party Advisory
https://www.videolan.org/security/sb-vlc3011.html Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-13428), CISA KEV, FIRST EPSS (scores of 2026-10-08). This page is refreshed as NVD updates the record.