CVE-2019-20388

Public on 2020-01-21
Modified on 2020-10-27
Description
A memory leak was found in the xmlSchemaValidateStream function of libxml2. Applications that use this library may be vulnerable to memory not being freed leading to a denial of service. System availability is the highest threat from this vulnerability.
Severity
Medium severity
Medium
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 libxml2 2020-10-26 ALAS-2020-1438 Fixed
Amazon Linux 2 - Core libxml2 2020-10-22 ALAS2-2020-1534 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H