HOMEVULNERABILITIESCVE-2020-26664
HIGH

CVE-2020-26664

CWE-787Published: January 8, 2021· Updated: Jul 9, 2026

7.8
CVSS v3.1

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.

NVD Source

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

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
videolan1 product(s)
vlc media player
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

News & Research Mentioning CVE-2020-26664

ABB Ability Camera Connect
CISA Alerts· May 26, 2026

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 An update is available that resolves a privately reported outdated 3rd party component with vulnerabilities in the product versions listed as affected in this advisory.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

CVE IDCVE-2020-26664
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-787
CISA KEVNo
Affected2 vendor(s)
PublishedJan 8, 2021

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
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.