CVE-2017-12801

PoC ×2—

CVSS 3.0

6.5 medium

EPSS

2%p83

Published

Nov 10, 2017 (Nov 10, 2017)

Modified

Jun 17, 2026

Description

The UpdateDataSize function in ebmlmaster.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (assert fault) via a crafted mkv file.

Vendors: matroska
Products: libebml2, mkclean, mkvalidator
Weakness: CWE-20
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (2.4%)

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