CVE-2016-1838

5.5 MEDIUM
Published: May 20, 2016 Modified: May 06, 2026
View on NVD

Description

The xmlPArserPrintFileContextInternal function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted XML document.

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:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00001.html
Source: product-security@apple.com
Mailing List Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00002.html
Source: product-security@apple.com
Mailing List Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00003.html
Source: product-security@apple.com
Mailing List Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
Source: product-security@apple.com
Mailing List Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-2957.html
Source: product-security@apple.com
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
Source: product-security@apple.com
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Source: product-security@apple.com
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Source: product-security@apple.com
Third Party Advisory
http://www.securityfocus.com/bid/90691
Source: product-security@apple.com
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1035890
Source: product-security@apple.com
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2994-1
Source: product-security@apple.com
Third Party Advisory
http://xmlsoft.org/news.html
Source: product-security@apple.com
Release Notes Vendor Advisory
https://access.redhat.com/errata/RHSA-2016:1292
Source: product-security@apple.com
Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=639
Source: product-security@apple.com
Exploit Third Party Advisory
https://bugzilla.gnome.org/show_bug.cgi?id=758588
Source: product-security@apple.com
Exploit Issue Tracking Third Party Advisory
https://git.gnome.org/browse/libxml2/commit/?id=db07dd613e461df93dde7902c6505629bf0734e9
Source: product-security@apple.com
Patch Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10170
Source: product-security@apple.com
Patch Third Party Advisory
https://security.gentoo.org/glsa/201701-37
Source: product-security@apple.com
Third Party Advisory
https://support.apple.com/HT206564
Source: product-security@apple.com
Vendor Advisory
https://support.apple.com/HT206566
Source: product-security@apple.com
Vendor Advisory
https://support.apple.com/HT206567
Source: product-security@apple.com
Vendor Advisory
https://support.apple.com/HT206568
Source: product-security@apple.com
Vendor Advisory
https://www.debian.org/security/2016/dsa-3593
Source: product-security@apple.com
Third Party Advisory
https://www.tenable.com/security/tns-2016-18
Source: product-security@apple.com
Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00001.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00002.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00003.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-2957.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.securityfocus.com/bid/90691
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1035890
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2994-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://xmlsoft.org/news.html
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
https://access.redhat.com/errata/RHSA-2016:1292
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=639
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
https://bugzilla.gnome.org/show_bug.cgi?id=758588
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking Third Party Advisory
https://git.gnome.org/browse/libxml2/commit/?id=db07dd613e461df93dde7902c6505629bf0734e9
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10170
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://security.gentoo.org/glsa/201701-37
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://support.apple.com/HT206564
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://support.apple.com/HT206566
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://support.apple.com/HT206567
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://support.apple.com/HT206568
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.debian.org/security/2016/dsa-3593
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.tenable.com/security/tns-2016-18
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

48 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
10.7%
93th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-125

Affected Vendors

debian apple xmlsoft mcafee canonical redhat

Related CVEs

CVE-2026-8086 5.3
CVE-2026-8084 3.3
CVE-2026-8083 7.3
CVE-2026-44742 7.2
CVE-2026-44244 7.8