medium
5.5
CWE
125
Advisory Published
Updated

CVE-2016-1839

First published: Fri May 20 2016(Updated: )

A vulnerability was found in the libxml2 library. A heap-based buffer overread could happen in xmlDictAddString. References: <a href="https://bugzilla.gnome.org/show_bug.cgi?id=758605">https://bugzilla.gnome.org/show_bug.cgi?id=758605</a> Upstream fix: <a href="https://git.gnome.org/browse/libxml2/commit/?id=a820dbeac29d330bae4be05d9ecd939ad6b4aa33">https://git.gnome.org/browse/libxml2/commit/?id=a820dbeac29d330bae4be05d9ecd939ad6b4aa33</a>

Credit: product-security@apple.com

Affected SoftwareAffected VersionHow to fix
debian/libxml2
2.9.4+dfsg1-7+deb10u4
2.9.4+dfsg1-7+deb10u6
2.9.10+dfsg-6.7+deb11u4
2.9.14+dfsg-1.3~deb12u1
2.9.14+dfsg-1.3
Android
iStyle @cosme iPhone OS<9.3.2
Apple iOS and macOS<10.11.5
tvOS<9.2.1
Apple iOS, iPadOS, and watchOS<2.2.1
Ubuntu=12.04
Ubuntu=14.04
Ubuntu=15.10
Ubuntu=16.04
Debian=8.0
Red Hat Enterprise Linux Desktop=6.0
Red Hat Enterprise Linux Desktop=7.0
Red Hat Enterprise Linux Server=6.0
Red Hat Enterprise Linux Server=7.0
Red Hat Enterprise Linux Server=7.2
Red Hat Enterprise Linux Server=7.3
Red Hat Enterprise Linux Server=7.4
Red Hat Enterprise Linux Server=7.6
Red Hat Enterprise Linux Server=7.2
Red Hat Enterprise Linux Server=7.3
Red Hat Enterprise Linux Server=7.4
Red Hat Enterprise Linux Server=7.5
Red Hat Enterprise Linux Server=7.6
Red Hat Enterprise Linux Server=7.2
Red Hat Enterprise Linux Server=7.3
Red Hat Enterprise Linux Server=7.6
Red Hat Enterprise Linux Workstation=6.0
Red Hat Enterprise Linux Workstation=7.0
McAfee Web Gateway Cloud Service>=7.5.0.0<=7.5.2.10
McAfee Web Gateway Cloud Service>=7.6.0.0<=7.6.2.3
libxml2-devel<2.9.4

Remedy

https://git.gnome.org/browse/libxml2/commit/?id=a820dbeac29d330bae4be05d9ecd939ad6b4aa33

Remedy

https://kc.mcafee.com/corporate/index?page=content&id=SB10170

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2016-1839?

    CVE-2016-1839 has been rated as a high severity vulnerability due to its potential for triggering a heap-based buffer overread.

  • How do I fix CVE-2016-1839?

    To fix CVE-2016-1839, update the libxml2 library to version 2.9.4+dfsg1-7+deb10u4 or higher.

  • What software is affected by CVE-2016-1839?

    CVE-2016-1839 affects multiple software including libxml2 versions before 2.9.4, as well as various operating systems like Debian, Ubuntu, and Red Hat.

  • Can CVE-2016-1839 be exploited remotely?

    Yes, CVE-2016-1839 could potentially be exploited remotely if an application uses the vulnerable version of libxml2 for untrusted input processing.

  • Is there a known exploit for CVE-2016-1839?

    While there are no public exploits reported for CVE-2016-1839, the nature of the vulnerability presents a risk of exploitation.

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