CVE-2016-1839

Home/CVE/The xmlDictAddString function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS befo

CVE

The xmlDictAddString function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS befo

The xmlDictAddString 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.

MEDIUM · CVSS 5.5 EPSS 0.04546

Schedule remediation

Public exploit or PoC is available

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-125Out-of-bounds Read

▤

Affected Products & Versions

apple iphone os< 9.3.2
apple mac os x< 10.11.5
apple tvos< 9.2.1
apple watchos< 2.2.1
canonical ubuntu linuxall versions
debian linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
Show all 15 affected productsredhat enterprise linux server ausall versions
redhat enterprise linux server eusall versions
redhat enterprise linux server tusall versions
redhat enterprise linux workstationall versions
mcafee web gateway>= 7.5.0.0 and <= 7.5.2.10
mcafee web gateway>= 7.6.0.0 and <= 7.6.2.3
xmlsoft libxml2< 2.9.4

⚠

Public Exploits & PoCs

doslibxml2 - xmlDictAddString Heap Buffer Overreadverified

pocbugzilla.gnome.org · show_bug.cgi?id=758605bugzilla.gnome.org

▣

Scoring & Timeline

5.5

MEDIUM · CVSS v3.0 · product-security@apple.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD20 May 2016 · 10:59 AM

CVSS VectorCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

⚑

Vendor Advisories

suse-csafopenSUSE-SU-2024:10192-1
suse-csafopenSUSE-SU-2024:10228-1
siemens-csafSSA-398330
rhsaRHSA-2018:2486Moderate
suse-csafSUSE-SU-2017:2699-1
Show all 16 vendor advisoriessuse-csafSUSE-SU-2017:2700-1
suse-csafSUSE-SU-2017:1587-1
suse-csafSUSE-SU-2017:1557-1
suse-csafSUSE-SU-2017:1538-1
android-securityANDROID-2017-06-01High
suse-csafSUSE-SU-2017:1454-1
rhsaRHSA-2016:2957Low
suse-csafSUSE-SU-2016:1604-1
suse-csafSUSE-SU-2016:1538-1
usnUSN-2994-1
rhsaRHSA-2016:1292Moderate

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://lists.apple.com/archives/security-announce/2016/May/msg00001.htmlMailing ListVendor Advisory

http://lists.apple.com/archives/security-announce/2016/May/msg00002.htmlMailing ListVendor Advisory

http://lists.apple.com/archives/security-announce/2016/May/msg00003.htmlMailing ListVendor Advisory

http://lists.apple.com/archives/security-announce/2016/May/msg00004.htmlMailing ListVendor Advisory

http://rhn.redhat.com/errata/RHSA-2016-2957.htmlThird Party Advisory

http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlThird Party Advisory

Show all 22 references

http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory

http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlThird Party Advisory

http://www.securityfocus.com/bid/90691Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1035890Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1038623Third Party AdvisoryVDB Entry

http://www.ubuntu.com/usn/USN-2994-1Third Party Advisory

http://xmlsoft.org/news.htmlRelease NotesVendor Advisory

https://git.gnome.org/browse/libxml2/commit/?id=a820dbeac29d330bae4be05d9ecd939ad6b4aa33PatchThird Party Advisory

https://kc.mcafee.com/corporate/index?page=content&id=SB10170PatchThird Party Advisory

https://security.gentoo.org/glsa/201701-37Third Party Advisory

https://support.apple.com/HT206564Vendor Advisory

https://support.apple.com/HT206566Vendor Advisory

https://support.apple.com/HT206567Vendor Advisory

https://support.apple.com/HT206568Vendor Advisory

https://www.debian.org/security/2016/dsa-3593Third Party Advisory

https://www.tenable.com/security/tns-2016-18Third Party Advisory

Intelligence Graph · click any node to traverse

CVETechnique ActorTool Family

drag to reposition · click any node to traverse · button top-right enlarges

External lookups - second-class, for what we don’t hold ourselves

NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities

Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs

Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures

Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1

About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service

threatengine.sh · Open-source threat intelligence platform · 100+ authoritative sources · Every fact traces to its origin