CVE-2016-4449

7.1 HIGH
Published: June 09, 2016 Modified: May 06, 2026
View on NVD

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 Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/90865
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-2994-1
Source: secalert@redhat.com
http://xmlsoft.org/news.html
Source: secalert@redhat.com
https://support.apple.com/HT206899
Source: secalert@redhat.com
https://support.apple.com/HT206901
Source: secalert@redhat.com
https://support.apple.com/HT206902
Source: secalert@redhat.com
https://support.apple.com/HT206903
Source: secalert@redhat.com
https://support.apple.com/HT206904
Source: secalert@redhat.com
https://support.apple.com/HT206905
Source: secalert@redhat.com
http://jvn.jp/en/jp/JVN17535578/index.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://jvndb.jvn.jp/en/contents/2017/JVNDB-2017-000066.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-2957.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2016/05/25/2
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/90865
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1036348
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2994-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://xmlsoft.org/news.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://access.redhat.com/errata/RHSA-2016:1292
Source: af854a3a-2127-422b-91ae-364da2661108
https://git.gnome.org/browse/libxml2/commit/?id=b1d34de46a11323fccffa9fadeb33be670d602f5
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10170
Source: af854a3a-2127-422b-91ae-364da2661108
https://support.apple.com/HT206899
Source: af854a3a-2127-422b-91ae-364da2661108
https://support.apple.com/HT206901
Source: af854a3a-2127-422b-91ae-364da2661108
https://support.apple.com/HT206902
Source: af854a3a-2127-422b-91ae-364da2661108
https://support.apple.com/HT206903
Source: af854a3a-2127-422b-91ae-364da2661108
https://support.apple.com/HT206904
Source: af854a3a-2127-422b-91ae-364da2661108
https://support.apple.com/HT206905
Source: af854a3a-2127-422b-91ae-364da2661108
https://support.cybozu.com/ja-jp/article/9735
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.debian.org/security/2016/dsa-3593
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.tenable.com/security/tns-2016-18
Source: af854a3a-2127-422b-91ae-364da2661108

60 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.1 / 10.0
EPSS (Exploit Probability)
0.1%
31th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

xmlsoft canonical debian