A heap-based buffer overflow in the hxxx_AnnexB_to_xVC function in modules/packetizer/hxxx_nal.c in VideoLAN VLC media player through 3.2.8 for iOS, and through 3.0.10 for macOS, 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

• https://nvd.nist.gov/vuln/detail/CVE-2020-13428
• 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;a=commit;h=d5c43c21c747ff30ed19fcca745dea3481c733e0