libebml before 1.3.6, as used in the MKV module in VideoLAN VLC Media Player binaries before 3.0.3, has a heap-based buffer over-read in EbmlElement::FindNextElement.
https://usn.ubuntu.com/4073-1/
http://www.securityfocus.com/bid/109304
https://trac.videolan.org/vlc/ticket/22474
https://github.com/Matroska-Org/libebml/compare/release-1.3.5...release-1.3.6
https://github.com/Matroska-Org/libebml/commit/b66ca475be967547af9a3784e720fbbacd381be6
https://github.com/Matroska-Org/libebml/commit/05beb69ba60acce09f73ed491bb76f332849c3a0
Source: Mitre, NVD
Published: 2019-07-16
Updated: 2020-08-24
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS: 0.00193