CVE-2017-12779: Matroska Mkvalidator

Medium severity, CVSS 6.5. EPSS: 2.2% chance of exploitation in the next 30 days.

The Node_GetData function in corec/corec/node/node.c in mkvalidator 0.5.1 allows remote attackers to cause a denial of service (Null pointer dereference and application crash) via a crafted mkv file.

Affected products

• Matroska Mkvalidator: version 0.5.1 only

Published 2017-11-10. Last modified 2026-06-17.