A vulnerability in mkv::event_thread_t in VideoLAN VLC media player 3.0.7.1 allows remote attackers to trigger a heap-based buffer…

Description

A vulnerability in mkv::event_thread_t in VideoLAN VLC media player 3.0.7.1 allows remote attackers to trigger a heap-based buffer overflow via a crafted .mkv file.

Scores

EPSS (exploitation in 30 days)

1.9% · top 20% of all CVEs (5 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Weakness

• n/a
• CWE-787 (opens in a new tab)All about CWE-787 and its CVEs

Affected products

• n/a

  • affected n/a

References (8)

• http://git.videolan.org/?p=vlc.git&a=search&h=refs/heads/master&st=commit&s=cve-2019 (opens in a new tab)x_refsource_CONFIRMx_transferred
• DSA-4504 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 20190821 [SECURITY] [DSA 4504-1] vlc security update (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• https://www.videolan.org/security/sb-vlc308.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• GLSA-201909-02 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• USN-4131-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• openSUSE-SU-2020:0545 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• openSUSE-SU-2020:0562 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2019-14970](https://trackcve.app/badge/CVE-2019-14970.svg)](https://trackcve.app/cve/CVE-2019-14970)

Record last updated 2 Nov 2026, 17:44 UTC.