CVE-2015-8789
Use-after-free vulnerability in the EbmlMaster::Read function in libEBML before 1.3.3 allows...
Use-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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Use-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.
- Record
CVE-2015-8789- CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
Use-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.
- Record
CVE-2015-8789- Updated
- 2026-11-02
EUVDEUVD-2015-8661 No score
Use-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.
- Record
EUVD-2015-8661- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h7v7-5ph3-4v3p
Use-after-free vulnerability in the EbmlMaster::Read function in libEBML before 1.3.3 allows...
Use-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.
- Record
GHSA-h7v7-5ph3-4v3p- CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
OSV
Use-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.
- Record
CVE-2015-8789- CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2015-8789
Use-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.
- Record
DEBIAN-CVE-2015-8789- CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2015-8789
Use-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.
- Record
UBUNTU-CVE-2015-8789- CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libebmlDebian:12 |
before 1.3.3-1 | 1.3.3-1 |
libebmlDebian:13 |
before 1.3.3-1 | 1.3.3-1 |
libebmlDebian:14 |
before 1.3.3-1 | 1.3.3-1 |
libebmlDebian:7 |
before 1.2.2-2+deb7u1, plus listed versions 1.2.2-2 |
1.2.2-2+deb7u1 |
libebmlDebian:8 |
before 1.3.0-2+deb8u1, plus listed versions 1.3.0-2 |
1.3.0-2+deb8u1 |
libebmlUbuntu:14.04:LTS |
before 1.3.0-2+deb8u1build0.14.04.1, plus listed versions 1.2.2-21.3.0-2 |
1.3.0-2+deb8u1build0.14.04.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-8789 is a critical vulnerability (CVSS 9.6) in Matroska Libebml, published January 29, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.13%, the 81st percentile. Fixed in libebml 1.3.3-1.
References
debian.org/security/2016/dsa-3538
securityfocus.com/bid/94924
lists.opensuse.org/opensuse-updates/2016-01/msg00035.html
github.com/Matroska-Org/libebml/commit/88409e2a94dd3b40ff81d08bf6d92f486d036b24
lists.matroska.org/pipermail/matroska-users/2015-October/006985.html