CVE-2016-2073: Buffer Overflow
First published: Tue Jan 26 2016(Updated: )
An out-of-bounds read flaw was reported in libxml2's htmlParseNameComplex() function: <a href="http://seclists.org/oss-sec/2016/q1/199">http://seclists.org/oss-sec/2016/q1/199</a> A remote attacker could provide a specially crafted XML file that, when processed by an application linked against libxml2, could cause the application to disclose crash.
Credit: cve@mitre.org
| Affected Software | Affected Version | How 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 | |
| libxml2-devel | <2.9.4 | |
| Debian | =8.0 | |
| Ubuntu | =12.04 | |
| Ubuntu | =14.04 | |
| Ubuntu | =15.10 | |
| Ubuntu | =16.04 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2016-2073
- https://bugzilla.redhat.com/show_bug.cgi?id=1301928
- https://security-tracker.debian.org/tracker/CVE-2016-1762
- https://security-tracker.debian.org/tracker/CVE-2016-1834
- https://security-tracker.debian.org/tracker/CVE-2016-3705
- https://security-tracker.debian.org/tracker/CVE-2016-4483
- https://security-tracker.debian.org/tracker/CVE-2016-1840
- https://security-tracker.debian.org/tracker/CVE-2016-1838
- https://security-tracker.debian.org/tracker/CVE-2016-1839
- https://security-tracker.debian.org/tracker/CVE-2015-8806
- https://security-tracker.debian.org/tracker/CVE-2016-1836
- https://security-tracker.debian.org/tracker/CVE-2016-4449
- https://security-tracker.debian.org/tracker/CVE-2016-1837
- https://security-tracker.debian.org/tracker/CVE-2016-1835
- https://security-tracker.debian.org/tracker/CVE-2016-4447
- https://security-tracker.debian.org/tracker/CVE-2016-1833
- https://security-tracker.debian.org/tracker/CVE-2016-3627
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=812807
- http://seclists.org/oss-sec/2016/q1/199
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1301929
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1301930
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1301931
- https://access.redhat.com/security/cve/CVE-2016-1839
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1338703
- http://www.openwall.com/lists/oss-security/2016/01/25/6
- http://www.openwall.com/lists/oss-security/2016/01/26/7
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.securityfocus.com/bid/85267
- http://www.securitytracker.com/id/1035011
- http://www.ubuntu.com/usn/USN-2994-1
- https://security.gentoo.org/glsa/201701-37
- https://www.debian.org/security/2016/dsa-3593
- https://www.openwall.com/lists/oss-security/2016/01/25/6
- https://www.openwall.com/lists/oss-security/2016/01/26/8
Frequently Asked Questions
What is the severity of CVE-2016-2073?
CVE-2016-2073 has a moderate severity level due to the potential for an out-of-bounds read that could be exploited by a remote attacker.
How do I fix CVE-2016-2073?
To fix CVE-2016-2073, update libxml2 to a secure version, specifically versions 2.9.4+dfsg1-7+deb10u4, 2.9.4+dfsg1-7+deb10u6, or newer.
Which systems are affected by CVE-2016-2073?
CVE-2016-2073 affects multiple systems, including Debian 8.0 and various versions of Ubuntu Linux.
What is the cause of CVE-2016-2073?
CVE-2016-2073 is caused by an out-of-bounds read flaw in the htmlParseNameComplex() function of libxml2.
Can CVE-2016-2073 lead to data breaches?
While CVE-2016-2073 primarily presents a risk of denial of service, it may also lead to information leakage in certain scenarios.
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