CVE-2015-8792

The KaxInternalBlock::ReadData function in libMatroska before 1.4.4 allows context-dependent...

5.3 MediumFix available

The KaxInternalBlock::ReadData function in libMatroska before 1.4.4 allows context-dependent attackers to obtain sensitive information from process heap memory via crafted EBML lacing, which triggers an invalid memory access.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

1.45%Up 0.4 points since Feb 4, 2022

What each source reports

NVD Score used 5.3

Record: CVE-2015-8792
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-119, CWE-200
Updated: 2026-11-02

CVE List No score

Record: CVE-2015-8792
Updated: 2026-11-02

EUVDEUVD-2015-8664 No score

Record: EUVD-2015-8664
Updated: 2026-11-03

GitHub AdvisoriesGHSA-fw7f-4x98-8cg9 5.3

The KaxInternalBlock::ReadData function in libMatroska before 1.4.4 allows context-dependent...

Record: GHSA-fw7f-4x98-8cg9
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-119
Updated: 2026-11-02

OSV 5.3

Record: CVE-2015-8792
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2015-8792 5.3

Record: DEBIAN-CVE-2015-8792
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2015-8792 5.3

Record: UBUNTU-CVE-2015-8792
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`libmatroska` Debian:12	before 1.4.4-1	1.4.4-1
`libmatroska` Debian:13	before 1.4.4-1	1.4.4-1
`libmatroska` Debian:14	before 1.4.4-1	1.4.4-1
`libmatroska` Debian:6.0	before 0.8.1-1.1+deb6u1, plus listed versions 0.8.1-1.1	0.8.1-1.1+deb6u1
`libmatroska` Debian:7	before 1.3.0-2+deb7u1, plus listed versions 1.3.0-2	1.3.0-2+deb7u1
`libmatroska` Debian:8	before 1.4.1-2+deb8u1, plus listed versions 1.4.1-2	1.4.1-2+deb8u1
`libmatroska` Ubuntu:14.04:LTS	before 1.4.1-2+deb8u1build0.14.04.1, plus listed versions 1.3.0-21.4.1-2	1.4.1-2+deb8u1build0.14.04.1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-8792 is a medium vulnerability (CVSS 5.3) in Matroska Libmatroska, published January 29, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.45%, the 73rd percentile. Fixed in libmatroska 1.4.4-1.

References

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