CVE-2017-12783

Name: CVE-2017-12783
Creator: NVD / NIST
Published: 2017-11-10T02:29:17.433+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.42%

Last modified Jun 17, 2026

CVE-2017-12783 is a vulnerability of currently unknown severity. The ReadDataFloat function in ebmlnumber.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (assert fault) via a crafted mkv file.. EPSS estimates a 2.42% chance of exploitation in the next 30 days.

Description

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

Metrics

EPSS Probability

2.42%

82.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Matroska	Libebml2	<= 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.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2017/Nov/19Exploit, Mailing List, Third Party Advisory
https://github.com/Matroska-Org/foundation-source/issues/24Exploit, Third Party Advisory
http://packetstormsecurity.com/files/144902/mkvalidator-0.5.1-Denial-Of-Service.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2017/Nov/19Exploit, Mailing List, Third Party Advisory
https://github.com/Matroska-Org/foundation-source/issues/24Exploit, Third Party Advisory

Timeline

Published: Nov 10, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-12783?

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

How severe is CVE-2017-12783?

Severity scoring for CVE-2017-12783 is pending analysis. The EPSS model estimates a 2.42% probability of exploitation in the next 30 days.

How do I fix CVE-2017-12783?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-12783?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST