Published: 06/12/2019 Updated: 18/12/2019
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

In all versions of libyang prior to 1.0-r5, a stack-based buffer overflow exists in the way libyang parses YANG files with a leaf of type "identityref". An application that uses libyang to parse untrusted YANG files may be vulnerable to this flaw, which would allow an malicious user to cause a denial of service or possibly gain code execution.

Vulnerability Trend

Vendor Advisories

Synopsis Important: libyang security update Type/Severity Security Advisory: Important Topic An update for libyang is now available for Red Hat Enterprise Linux 8Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (CVSS) base score, ...
Debian Bug report logs - #946217 CVE-2019-19333 & CVE-2019-19334 in libyang Package: libyang016; Maintainer for libyang016 is David Lamparter <equinox-debian@diac24net>; Source for libyang016 is src:libyang (PTS, buildd, popcon) Reported by: David Lamparter <equinox-debian@diac24net> Date: Thu, 5 Dec 2019 1 ...