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TI-2017-09465 Aliases CVE-2017-12783GHSA-gf4f-vh6g-x5mw

The ReadDataFloat function in ebmlnumber.c in libebml2 through 2012-08-26 allows remote…

Priority LOW 33CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.02415 84th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:matroska:libebml2:*:*:*:*:*:*:*:*up to 2012-08-26VulnerableMatroska
cpe:2.3:a:matroska:mkclean:0.8.9:*:*:*:*:*:*:*0.8.9VulnerableMatroska
cpe:2.3:a:matroska:mkvalidator:0.5.1:*:*:*:*:*:*:*0.5.1VulnerableMatroska
  • cpe:2.3:a:matroska:libebml2:*:*:*:*:*:*:*:* Versions up to 2012-08-26 Vulnerable ·Matroska
  • cpe:2.3:a:matroska:mkclean:0.8.9:*:*:*:*:*:*:* Versions 0.8.9 Vulnerable ·Matroska
  • cpe:2.3:a:matroska:mkvalidator:0.5.1:*:*:*:*:*:*:* Versions 0.5.1 Vulnerable ·Matroska

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-12783
  2. 2026-10-03 Alias added: GHSA-gf4f-vh6g-x5mw

References

Exploit 2

Advisory 1

  • TI-2017-09483 The EBML_IntegerValue function in ebmlnumber.c in libebml2 through 2012-08-26 allows… CVSS 3.0MEDIUM 6.5
  • TI-2017-09482 The UpdateDataSize function in ebmlmaster.c in libebml2 through 2012-08-26 allows remote… CVSS 3.0MEDIUM 6.5
  • TI-2017-09481 The EBML_FindNextElement function in ebmlmain.c in libebml2 through 2012-08-26 allows… CVSS 3.0MEDIUM 6.5
  • TI-2017-09464 The ReadData function in ebmlmaster.c in libebml2 through 2012-08-26 allows remote… CVSS 3.0MEDIUM 6.5
  • TI-2017-09463 The EBML_BufferToID function in ebmlelement.c in libebml2 through 2012-08-26 allows… CVSS 3.0MEDIUM 6.5
  • TI-2017-09462 The ReadData function in ebmlstring.c in libebml2 through 2012-08-26 allows remote… CVSS 3.0MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences