CVE-2015-8789
libebml - security update
9.6
CRITICAL
CVSS 3.1
EPSS 0.38%
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.
How to fix CVE-2015-8789
To remediate CVE-2015-8789, upgrade the affected package to a fixed version below.
- Debian/libebml—upgrade to 1.3.3-1 or later
- —upgrade to 1.2.2-2+deb7u1 or later
Is CVE-2015-8789 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.3.3-1
- from 0, < 1.2.2-2+deb7u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.6 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |