What’s Vulnerable › Vulnerabilities

CVE-2017-12782

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-11-10 · updated 2026-06-17
• Weakness: CWE-20

Description

The ReadData 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.

Affected products

• Matroska Libebml2: through 2012-08-26
• Matroska Mkclean: 0.8.9
• Matroska Mkvalidator: 0.5.1

References

• http://packetstormsecurity.com/files/144902/mkvalidator-0.5.1-Denial-Of-Service.html
• http://seclists.org/fulldisclosure/2017/Nov/19
• https://github.com/Matroska-Org/foundation-source/issues/24
• http://packetstormsecurity.com/files/144902/mkvalidator-0.5.1-Denial-Of-Service.html
• http://seclists.org/fulldisclosure/2017/Nov/19
• https://github.com/Matroska-Org/foundation-source/issues/24

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