CVE-2016-1834: Buffer Overflow

Published May 20, 2016
·
Updated

A vulnerability was found in the libxml2 library. A heap-buffer-overflow could happen in xmlStrncat.

References:

https://bugzilla.gnome.org/showbug.cgi?id=763071

Upstream fix:

https://git.gnome.org/browse/libxml2/commit/?id=8fbbf5513d609c1770b391b99e33314cd0742704

Other sources

Heap-based buffer overflow in the xmlStrncat function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document.

Affected Software

31 affected componentsFixes available
debian/libxml2
2.9.4+dfsg1-7+deb10u42.9.4+dfsg1-7+deb10u62.9.10+dfsg-6.7+deb11u42.9.14+dfsg-1.3~deb12u12.9.14+dfsg-1.3
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=15.10
Canonical Ubuntu Linux=16.04
Apple iPhone OS<9.3.2
Apple iOS and macOS<10.11.5
Apple tvOS<9.2.1
Apple WatchOS<2.2.1
Debian Debian Linux=8.0
redhat Enterprise Linux Desktop=6.0
redhat Enterprise Linux Desktop=7.0
redhat Enterprise Linux Server=6.0
redhat Enterprise Linux Server=7.0
redhat Enterprise Linux Server Aus=7.2
redhat Enterprise Linux Server Aus=7.3
redhat Enterprise Linux Server Aus=7.4
redhat Enterprise Linux Server Aus=7.6
redhat Enterprise Linux Server Eus=7.2
redhat Enterprise Linux Server Eus=7.3
redhat Enterprise Linux Server Eus=7.4
redhat Enterprise Linux Server Eus=7.5
redhat Enterprise Linux Server Eus=7.6
redhat Enterprise Linux Server Tus=7.2
redhat Enterprise Linux Server Tus=7.3
redhat Enterprise Linux Server Tus=7.6
redhat Enterprise Linux Workstation=6.0
redhat Enterprise Linux Workstation=7.0
Xmlsoft Libxml2<2.9.4
McAfee Web Gateway>=7.5.0.0<=7.5.2.10
McAfee Web Gateway>=7.6.0.0<=7.6.2.3

Event History

May 20, 2016
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description
Data Sourced
via NVD·10:59 AM
RemedyDescriptionSeverityWeaknessAffected Software
May 23, 2016
Data Sourced
via Red Hat·10:01 AM
DescriptionSeverityAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2016-1834?

CVE-2016-1834 has been classified with a high severity due to the possibility of a heap buffer overflow in the libxml2 library.

2

How do I fix CVE-2016-1834?

To fix CVE-2016-1834, update the libxml2 library to a version that is not vulnerable, such as 2.9.4+dfsg1-7+deb10u4 or newer.

3

What platforms are affected by CVE-2016-1834?

CVE-2016-1834 affects multiple platforms, including various versions of Ubuntu, Debian, and Red Hat Enterprise Linux.

4

How can I determine if my system is vulnerable to CVE-2016-1834?

You can check the version of the libxml2 library installed on your system against the known vulnerable versions to determine if your system is at risk for CVE-2016-1834.

5

What type of vulnerability is CVE-2016-1834?

CVE-2016-1834 is identified as a heap buffer overflow vulnerability that can lead to potential memory corruption.

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