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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 9.6 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- EPSS
- 2.13% probability · 81th percentile
- CISA KEV
- Not listed
- Affected
- matroska/libebml
- Source
- cve@mitre.org
References
- http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html
- http://www.debian.org/security/2016/dsa-3538
- http://www.securityfocus.com/bid/94924
- http://www.talosintelligence.com/reports/TALOS-2016-0037/
- https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLogVendor Advisory
- https://github.com/Matroska-Org/libebml/commit/88409e2a94dd3b40ff81d08bf6d92f486d036b24
- http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html
- http://www.debian.org/security/2016/dsa-3538
- http://www.securityfocus.com/bid/94924
- http://www.talosintelligence.com/reports/TALOS-2016-0037/
- https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLogVendor Advisory
- https://github.com/Matroska-Org/libebml/commit/88409e2a94dd3b40ff81d08bf6d92f486d036b24
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.