High severity7.1NVD Advisory· Published Jun 9, 2016· Updated Jun 17, 2026
CVE-2016-4449
CVE-2016-4449
Description
XML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4, when not in validating mode, allows context-dependent attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
38cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*+ 3 more
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- osv-coords31 versionspkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Desktop%2012pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012pkg:rpm/suse/libxml2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/libxml2&distro=SUSE%20Manager%202.1pkg:rpm/suse/libxml2&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/libxml2&distro=SUSE%20OpenStack%20Cloud%205pkg:rpm/suse/libxml2-python&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/libxml2-python&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/libxml2-python&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/libxml2-python&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/libxml2-python&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/libxml2-python&distro=SUSE%20Manager%202.1pkg:rpm/suse/libxml2-python&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/libxml2-python&distro=SUSE%20OpenStack%20Cloud%205pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Desktop%2012pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/python-libxml2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1
< 2.9.1-24.1+ 30 more
- (no CPE)range: < 2.9.1-24.1
- (no CPE)range: < 2.9.1-24.1
- (no CPE)range: < 2.7.6-0.44.1
- (no CPE)range: < 2.7.6-0.44.1
- (no CPE)range: < 2.7.6-0.44.1
- (no CPE)range: < 2.7.6-0.44.1
- (no CPE)range: < 2.9.1-24.1
- (no CPE)range: < 2.9.1-24.1
- (no CPE)range: < 2.7.6-0.44.1
- (no CPE)range: < 2.9.1-24.1
- (no CPE)range: < 2.9.1-24.1
- (no CPE)range: < 2.7.6-0.44.1
- (no CPE)range: < 2.9.1-24.1
- (no CPE)range: < 2.9.1-24.1
- (no CPE)range: < 2.7.6-0.44.1
- (no CPE)range: < 2.7.6-0.44.1
- (no CPE)range: < 2.7.6-0.44.1
- (no CPE)range: < 2.7.6-0.44.4
- (no CPE)range: < 2.7.6-0.44.4
- (no CPE)range: < 2.7.6-0.44.4
- (no CPE)range: < 2.7.6-0.44.4
- (no CPE)range: < 2.7.6-0.44.4
- (no CPE)range: < 2.7.6-0.44.4
- (no CPE)range: < 2.7.6-0.44.4
- (no CPE)range: < 2.7.6-0.44.4
- (no CPE)range: < 2.9.1-24.1
- (no CPE)range: < 2.9.1-24.1
- (no CPE)range: < 2.9.1-24.1
- (no CPE)range: < 2.9.1-24.1
- (no CPE)range: < 2.9.1-24.1
- (no CPE)range: < 2.9.1-24.1
Patches
Vulnerability mechanics
References
30- git.gnome.org/browse/libxml2/commit/nvdVendor Advisory
- jvn.jp/en/jp/JVN17535578/index.htmlnvd
- jvndb.jvn.jp/en/contents/2017/JVNDB-2017-000066.htmlnvd
- lists.apple.com/archives/security-announce/2016/Jul/msg00000.htmlnvd
- lists.apple.com/archives/security-announce/2016/Jul/msg00001.htmlnvd
- lists.apple.com/archives/security-announce/2016/Jul/msg00002.htmlnvd
- lists.apple.com/archives/security-announce/2016/Jul/msg00003.htmlnvd
- lists.apple.com/archives/security-announce/2016/Jul/msg00005.htmlnvd
- rhn.redhat.com/errata/RHSA-2016-2957.htmlnvd
- www.openwall.com/lists/oss-security/2016/05/25/2nvd
- www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.htmlnvd
- www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlnvd
- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlnvd
- www.securityfocus.com/bid/90865nvd
- www.securitytracker.com/id/1036348nvd
- www.slackware.com/security/viewer.phpnvd
- www.ubuntu.com/usn/USN-2994-1nvd
- xmlsoft.org/news.htmlnvd
- access.redhat.com/errata/RHSA-2016:1292nvd
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvd
- kc.mcafee.com/corporate/indexnvd
- support.apple.com/HT206899nvd
- support.apple.com/HT206901nvd
- support.apple.com/HT206902nvd
- support.apple.com/HT206903nvd
- support.apple.com/HT206904nvd
- support.apple.com/HT206905nvd
- support.cybozu.com/ja-jp/article/9735nvd
- www.debian.org/security/2016/dsa-3593nvd
- www.tenable.com/security/tns-2016-18nvd
News mentions
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