Buffer overflow in Libxml2 - CVE-2016-2073
Published: February 12, 2016 / Updated: July 27, 2020
Vulnerability identifier: #VU31951
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-2073
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The htmlParseNameComplex function in HTMLparser.c in libxml2 allows attackers to cause a denial of service (out-of-bounds read) via a crafted XML document.
Affected software
Libxml2
libxml2 (Alpine package)
libxml2 (Alpine package)
How to mitigate CVE-2016-2073
Install update from vendor's website.
Libxml2 - update to 2.9.4
libxml2 (Alpine package) - update to 2.9.1-r4
libxml2 (Alpine package) - update to 2.9.1-r4
External References
- 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