Heap-based buffer overflow in VLC Media Player - CVE-2020-26664
Published: January 8, 2021 / Updated: January 21, 2021
Vulnerability identifier: #VU49913
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-26664
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: VideoLAN
Affected software:
VLC Media Player
VLC Media Player
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in EbmlTypeDispatcher::send() function in VideoLAN VLC media player. A remote attacker can create a specially crafted .mkv file, truck the victim to open it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2020-26664
Install update from vendor's website.