CVE-2020-26664
CWE-787Published: January 8, 2021· Updated: Jul 9, 2026
Official Description
A vulnerability in EbmlTypeDispatcher::send in VideoLAN VLC media player 3.0.11 allows attackers to trigger a heap-based buffer overflow via a crafted .mkv file.
Technical Analysis
CVE-2020-26664 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.
From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
News & Research Mentioning CVE-2020-26664
View CSAF Summary ABB is aware of public reports of vulnerabilities in a 3rd party component VLC media player Version 2.2.4 which was delivered together with the installation package of Camera Connect Version 1.5.0.14 and below. An update is available that resolves a privately reported outdated 3rd party component with vulnerabilities in the product versions listed as affected in this advisory. An attacker who successfully exploited any of these vulnerabilities in the 3rd party component could potentially compromise the system in different ways. The following versions of ABB Ability Camera Connect are affected: Ability Camera Connect vers:intdot/<=1.5.0.14, 1.5.0.15 CVSS Vendor Equipment Vulnerabilities v3 9.8 ABB ABB Ability Camera Connect Heap-base [xlite_meta score:73 src:CISA Alerts xlite_fp:cb2322dae913e0f028a6207677f6d89816cfbf5c2d1e4136a4b95ad99d56df16]
All References (8)
Quick Facts
Related CVEs (CWE-787)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-26664 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts