CVE-2015-8791

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Summary

CVECVE-2015-8791
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-01-29 19:59:03 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.0 4.3 MEDIUM from [email protected]

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

Problem Types: CWE-200 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary4.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS v3.0 Breakdown

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

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

CVSS v2.0 Breakdown

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

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

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
EbmlElement: don't read beyond end of buffer when reading variable le… · Matroska-Org/libebml@24e5cd7 · 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-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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