Improper Input Validation The advisory has been revoked - it doesn't affect any version of package libxml2 (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1610-LIBXML2-621130
- published9 Jun 2016
- disclosed9 Jun 2016
Introduced: 9 Jun 2016
CVE-2016-4449 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:16.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libxml2 package and not the libxml2 package as distributed by Ubuntu.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-4449
- https://support.apple.com/HT206899
- https://support.apple.com/HT206901
- https://support.apple.com/HT206902
- https://support.apple.com/HT206903
- https://support.apple.com/HT206904
- https://support.apple.com/HT206905
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html
- https://www.debian.org/security/2016/dsa-3593
- https://security-tracker.debian.org/tracker/CVE-2016-4449
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05194709
- http://jvndb.jvn.jp/en/contents/2017/JVNDB-2017-000066.html
- http://jvn.jp/en/jp/JVN17535578/index.html
- https://git.gnome.org/browse/libxml2/commit/?id=b1d34de46a11323fccffa9fadeb33be670d602f5
- https://kc.mcafee.com/corporate/index?page=content&id=SB10170
- https://support.cybozu.com/ja-jp/article/9735
- https://www.tenable.com/security/tns-2016-18
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.404722
- http://xmlsoft.org/news.html
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.openwall.com/lists/oss-security/2016/05/25/2
- http://rhn.redhat.com/errata/RHSA-2016-2957.html
- https://access.redhat.com/errata/RHSA-2016:1292
- http://www.securityfocus.com/bid/90865
- http://www.securitytracker.com/id/1036348
- http://www.ubuntu.com/usn/USN-2994-1