Vulnerability in Matroska Libebml
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
References
- www.debian.org/security/2016/dsa-3538 (vendor-advisory)
- www.securityfocus.com/bid/94924 (vdb-entry)
- lists.opensuse.org/opensuse-updates/2016-01/msg00035.html (vendor-advisory)
- github.com/Matroska-Org/libebml/commit/88409e2a94dd3b40ff81d08bf6d92f486d036b24
- lists.matroska.org/pipermail/matroska-users/2015-October/006985.html (Vendor Advisory, mailing-list)
- github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog (Vendor Advisory)
- www.talosintelligence.com/reports/TALOS-2016-0037/
Frequently asked questions
- What is CVE-2015-8789?
- CVE-2015-8789 is a critical-severity vulnerability in Matroska Libebml. CVSS score: 9.6/10. Published 2016-01-29.
- How severe is CVE-2015-8789?
- Critical severity. CVSS v3 base score is 9.6 out of 10.