CVE-2015-8789

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Summary

CVECVE-2015-8789
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-01-29 19:59:01 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionUse-after-free vulnerability in the EbmlMaster::Read function in libEBML before 1.3.3 allows context-dependent attackers to have unspecified impact via a "deeply nested element with infinite size" followed by another element of an upper level in an EBML document.

Risk And Classification

Primary CVSS: v3.0 9.6 CRITICAL from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Problem Types: NVD-CWE-Other | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary9.6CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
2.0[email protected]Primary9.3AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:M/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Matroska Libebml All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Cisco Talos - Talos 2016 0037 af854a3a-2127-422b-91ae-364da2661108 www.talosintelligence.com
EbmlMaster: propagate upper level element after infinite sized one co… · Matroska-Org/libebml@88409e2 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
libebml/ChangeLog at release-1.3.3 · Matroska-Org/libebml · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Vendor Advisory
Matroska libEBML CVE-2016-1515 Multiple Double Free Denial of Service Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
[Matroska-users] libEBML v1.3.3, libMatroska v1.4.4 released: important fixes af854a3a-2127-422b-91ae-364da2661108 lists.matroska.org Vendor Advisory
openSUSE-SU-2016:0125-1: moderate: Security update for libebml, libmatro af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Debian -- Security Information -- DSA-3538-1 libebml af854a3a-2127-422b-91ae-364da2661108 www.debian.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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