# CVE-2019-14778: CVE-2019-14778

Status: published. Published: 2019-08-29. Updated: 2026-11-02.

The mkv::virtual_segment_c::seek method of demux/mkv/virtual_segment.cpp in VideoLAN VLC media player 3.0.7.1 has a use-after-free.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- n/a / n/a: Version not specified (affected). Source: CNA: mitre

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: 1.46% as of 2026-11-02; percentile 73.47%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: Not reported

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- http://git.videolan.org/?p=vlc.git&a=search&h=refs/heads/master&st=commit&s=cve-2019 (CNA: mitre; x_refsource_CONFIRM)

- https://www.debian.org/security/2019/dsa-4504 (CNA: mitre; vendor-advisory, x_refsource_DEBIAN)

- https://seclists.org/bugtraq/2019/Aug/36 (CNA: mitre; mailing-list, x_refsource_BUGTRAQ)

- https://www.videolan.org/security/sb-vlc308.html (CNA: mitre; x_refsource_CONFIRM)

- https://security.gentoo.org/glsa/201909-02 (CNA: mitre; vendor-advisory, x_refsource_GENTOO)

- https://usn.ubuntu.com/4131-1/ (CNA: mitre; vendor-advisory, x_refsource_UBUNTU)

- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00036.html (CNA: mitre; vendor-advisory, x_refsource_SUSE)

- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00046.html (CNA: mitre; vendor-advisory, x_refsource_SUSE)

- http://git.videolan.org/?p=vlc.git&a=search&h=refs/heads/master&st=commit&s=cve-2019 (ADP: CVE; x_refsource_CONFIRM, x_transferred)

- https://www.debian.org/security/2019/dsa-4504 (ADP: CVE; vendor-advisory, x_refsource_DEBIAN, x_transferred)

- https://seclists.org/bugtraq/2019/Aug/36 (ADP: CVE; mailing-list, x_refsource_BUGTRAQ, x_transferred)

- https://www.videolan.org/security/sb-vlc308.html (ADP: CVE; x_refsource_CONFIRM, x_transferred)

- https://security.gentoo.org/glsa/201909-02 (ADP: CVE; vendor-advisory, x_refsource_GENTOO, x_transferred)

- https://usn.ubuntu.com/4131-1/ (ADP: CVE; vendor-advisory, x_refsource_UBUNTU, x_transferred)

- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00036.html (ADP: CVE; vendor-advisory, x_refsource_SUSE, x_transferred)

- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00046.html (ADP: CVE; vendor-advisory, x_refsource_SUSE, x_transferred)

## Provenance

- CNA: mitre: https://www.cve.org/CVERecord?id=CVE-2019-14778; retrieved 2026-11-02; source updated 2026-11-02

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2019-14778; retrieved 2026-11-02; source updated Not reported

Revision: 7dd59f767c8684293d1a2e86220c91261b1614db0b464310b352af0f8a95bb31

Canonical: https://y2.dev/cve/CVE-2019-14778

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