CVE-2019-20388: High severity IBM Security Guardium vulnerability

Published Jan 21, 2020
·
Updated

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.

Other sources

GNOME libxml2 could allow a remote attacker to obtain sensitive information, caused by a xmlSchemaValidateStream memory leak in xmlSchemaPreRun in xmlschemas.c. By persuading a victim to open a specially crafted file, an attacker could exploit this vulnerability to obtain sensitive information.

— IBM

xmlSchemaPreRun in xmlschemas.c in libxml2 2.9.10 allows an xmlSchemaValidateStream memory leak.

Affected Software

65 affected componentsFixes available
redhat/jbcs-httpd24-curl<0:7.64.1-36.jbcs.el6
0:7.64.1-36.jbcs.el6
redhat/jbcs-httpd24-httpd<0:2.4.37-57.jbcs.el6
0:2.4.37-57.jbcs.el6
redhat/jbcs-httpd24-nghttp2<0:1.39.2-25.jbcs.el6
0:1.39.2-25.jbcs.el6
redhat/jbcs-httpd24-curl<0:7.64.1-36.jbcs.el7
0:7.64.1-36.jbcs.el7
redhat/jbcs-httpd24-httpd<0:2.4.37-57.jbcs.el7
0:2.4.37-57.jbcs.el7
redhat/jbcs-httpd24-nghttp2<0:1.39.2-25.jbcs.el7
0:1.39.2-25.jbcs.el7
redhat/jbcs-httpd24-openssl-pkcs11<0:0.4.10-7.jbcs.el7
0:0.4.10-7.jbcs.el7
redhat/libxml2<0:2.9.1-6.el7.5
0:2.9.1-6.el7.5
redhat/libxml2<0:2.9.7-8.el8
0:2.9.7-8.el8
IBM Security Guardium<=10.5
IBM Security Guardium<=10.6
IBM Security Guardium<=11.0
IBM Security Guardium<=11.1
IBM Security Guardium<=11.2
IBM Security Guardium<=11.3
Xmlsoft Libxml2=2.9.10
Debian Debian Linux=9.0
NetApp Cloud Backup
NetApp Clustered Data ONTAP
NetApp ONTAP Select Deploy administration utility
NetApp Plug-in For Symantec Netbackup
NetApp Smi-s Provider
NetApp Snapdrive Windows
NetApp Steelstore Cloud Integrated Storage
NetApp Baseboard Management Controller H300s Firmware
NetApp Baseboard Management Controller H300s
NetApp Baseboard Management Controller H500s Firmware
NetApp Baseboard Management Controller H500s
NetApp Baseboard Management Controller H700s Firmware
NetApp Baseboard Management Controller H700s
NetApp Baseboard Management Controller H300e Firmware
NetApp Baseboard Management Controller H300e
NetApp Baseboard Management Controller H500e Firmware
NetApp Baseboard Management Controller H500e
NetApp Baseboard Management Controller H700e Firmware
NetApp Baseboard Management Controller H700e
NetApp Baseboard Management Controller H410s Firmware
NetApp Baseboard Management Controller H410s
Oracle Communications Cloud Native Core Network Function Cloud Native Environment=1.10.0
Oracle Enterprise Manager Base Platform=13.4.0.0
Oracle Enterprise Manager Base Platform=13.5.0.0
Oracle Enterprise Manager Ops Center=12.4.0.0
Oracle MySQL Workbench<=8.0.26
Oracle PeopleSoft Enterprise PeopleTools=8.58
Oracle Real User Experience Insight=13.3.1.0
Oracle Real User Experience Insight=13.4.1.0
Oracle Real User Experience Insight=13.5.1.0
openSUSE Leap=15.1
Fedoraproject Fedora=30
Fedoraproject Fedora=31
Fedoraproject Fedora=32
All of the following
NetApp H300s Firmware
NetApp H300s
All of the following
NetApp H500s Firmware
NetApp H500s
All of the following
NetApp H700s Firmware
NetApp H700s
All of the following
NetApp H300e Firmware
NetApp H300e
All of the following
NetApp H500e Firmware
NetApp H500e
All of the following
NetApp H700e Firmware
NetApp H700e
All of the following
NetApp H410s Firmware
NetApp H410s

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/jbcs-httpd24-curl to a version that resolves this vulnerability.

    Fixed in 0:7.64.1-36.jbcs.el6
  2. Upgrade

    Upgrade redhat/jbcs-httpd24-httpd to a version that resolves this vulnerability.

    Fixed in 0:2.4.37-57.jbcs.el6
  3. Upgrade

    Upgrade redhat/jbcs-httpd24-nghttp2 to a version that resolves this vulnerability.

    Fixed in 0:1.39.2-25.jbcs.el6
  4. Upgrade

    Upgrade redhat/jbcs-httpd24-curl to a version that resolves this vulnerability.

    Fixed in 0:7.64.1-36.jbcs.el7
  5. Upgrade

    Upgrade redhat/jbcs-httpd24-httpd to a version that resolves this vulnerability.

    Fixed in 0:2.4.37-57.jbcs.el7
  6. Upgrade

    Upgrade redhat/jbcs-httpd24-nghttp2 to a version that resolves this vulnerability.

    Fixed in 0:1.39.2-25.jbcs.el7
  7. Upgrade

    Upgrade redhat/jbcs-httpd24-openssl-pkcs11 to a version that resolves this vulnerability.

    Fixed in 0:0.4.10-7.jbcs.el7
  8. Upgrade

    Upgrade redhat/libxml2 to a version that resolves this vulnerability.

    Fixed in 0:2.9.1-6.el7.5
  9. Upgrade

    Upgrade redhat/libxml2 to a version that resolves this vulnerability.

    Fixed in 0:2.9.7-8.el8

Event History

Jan 21, 2020
CVE Published
12:00 AM
CVE Published
via MITRE·10:53 PM
Data Sourced
via MITRE·10:53 PM
Description
Data Sourced
via NVD·11:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Feb 6, 2020
Data Sourced
via Red Hat·06:50 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the vulnerability ID of this vulnerability?

The vulnerability ID is CVE-2019-20388.

2

What is the title of this vulnerability?

The title of this vulnerability is 'xmlSchemaPreRun in xmlschemas.c in libxml2 2.9.10 allows an xmlSchemaValidateStream memory leak.'

3

What is the severity of CVE-2019-20388?

The severity of CVE-2019-20388 is high, with a severity value of 7.

4

What is the description of CVE-2019-20388?

The vulnerability allows for a memory leak in the xmlSchemaValidateStream function of libxml2, which can lead to a denial of service and impact system availability.

5

What software is affected by CVE-2019-20388?

The affected software includes 'jbcs-httpd24-curl', 'jbcs-httpd24-httpd', 'jbcs-httpd24-nghttp2', 'jbcs-httpd24-openssl-pkcs11', 'libxml2', and their specific versions on different platforms.

6

Where can I find more information about CVE-2019-20388?

More information about CVE-2019-20388 can be found on the following references: [link1], [link2], [link3].

7

What is the Common Weakness Enumeration (CWE) ID of CVE-2019-20388?

The Common Weakness Enumeration (CWE) ID of CVE-2019-20388 is CWE-401.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203