Read the docs
TI-2015-07237 Aliases CVE-2015-8791GHSA-wrxq-929q-rj83

The EbmlElement::ReadCodedSizeValue function in libEBML before 1.3.3 allows…

Priority LOW 23CWE-200Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

The EbmlElement::ReadCodedSizeValue function in libEBML before 1.3.3 allows context-dependent attackers to obtain sensitive information from process heap memory via a crafted length value in an EBML id, which triggers an invalid memory access.

Why it matters now

EPSS 0.01341 71st percentileScored 2026-11-07
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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:matroska:libebml:*:*:*:*:*:*:*:*up to 1.3.2VulnerableMatroska
  • cpe:2.3:a:matroska:libebml:*:*:*:*:*:*:*:* Versions up to 1.3.2 Vulnerable ·Matroska

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-8791
  2. 2026-10-03 Alias added: GHSA-wrxq-929q-rj83

References

Advisory 4

Other 1

  • TI-2023-28722 In libebml before 1.4.5, an integer overflow in MemIOCallback.cpp can occur when reading… CVSS 3.1MEDIUM 6.5
  • TI-2015-07235 Use-after-free vulnerability in the EbmlMaster::Read function in libEBML before 1.3.3… CVSS 3.0CRITICAL 9.6
  • TI-2021-02372 Out-of-bounds write in libebml CVSS 3.1MEDIUM 6.5
  • TI-2015-07236 The EbmlUnicodeString::UpdateFromUTF8 function in libEBML before 1.3.3 allows… CVSS 3.0MEDIUM 4.3

Sources

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