SB2016052010 - Heap-based buffer overflow in libxml2
Published: May 20, 2016 Updated: May 27, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2016-1840)
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the xmlFAParsePosCharGroup function in libxml2. A local user can trick the victim into opening a specially crafted XML document, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- http://lists.apple.com/archives/security-announce/2016/May/msg00001.html
- http://lists.apple.com/archives/security-announce/2016/May/msg00002.html
- http://lists.apple.com/archives/security-announce/2016/May/msg00003.html
- http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
- http://rhn.redhat.com/errata/RHSA-2016-2957.html
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/90691
- http://www.securitytracker.com/id/1035890
- http://www.ubuntu.com/usn/USN-2994-1
- http://xmlsoft.org/news.html
- https://access.redhat.com/errata/RHSA-2016:1292
- https://bugzilla.gnome.org/show_bug.cgi?id=757711
- https://git.gnome.org/browse/libxml2/commit/?id=cbb271655cadeb8dbb258a64701d9a3a0c4835b4
- https://kc.mcafee.com/corporate/index?page=content&id=SB10170
- https://security.gentoo.org/glsa/201701-37
- https://support.apple.com/HT206564
- https://support.apple.com/HT206566
- https://support.apple.com/HT206567
- https://support.apple.com/HT206568
- https://www.debian.org/security/2016/dsa-3593
- https://www.tenable.com/security/tns-2016-18