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Critical severity · published Jan 29, 2016
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…
9.6
CVSS
2.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libebml · Matroska
through 1.3.2 · source: NVD
Affected product
LI
Libebml
Matroska
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-8789
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-8789
Vendor Advisory
http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html
www.debian.org
http://www.debian.org/security/2016/dsa-3538
www.securityfocus.com
http://www.securityfocus.com/bid/94924
www.talosintelligence.com
http://www.talosintelligence.com/reports/TALOS-2016-0037/
Vendor Advisory
https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog
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