Critical severity · published Jul 22, 2016
CVE-2016-4616
libxml2 in Apple iOS before 9.3.3, OS X before 10.11.6, iTunes before 12.4.2 on Windows, iCloud before 5.2.1 on Windows, tvOS before 9.2.2, and watchOS before 2.2.2 allows remote…
9.8
CVSS
3.2%
EPSS
No
On KEV
Description
libxml2 in Apple iOS before 9.3.3, OS X before 10.11.6, iTunes before 12.4.2 on Windows, iCloud before 5.2.1 on Windows, tvOS before 9.2.2, and watchOS before 2.2.2 allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors, a different vulnerability than CVE-2016-4614, CVE-2016-4615, and CVE-2016-4619.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.2% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 9.3.3 · source: NVD
IC
Icloud · Apple
before 5.2.1 · source: NVD
IT
Itunes · Apple
before 12.4.2 · source: NVD
MO
Mac OS X · Apple
before 10.11.6 · source: NVD
TV
Tvos · Apple
before 9.2.2 · source: NVD
WA
Watchos · Apple
before 2.2.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4616
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-4616
Mailing List
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html
Mailing List
http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html
Mailing List
http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html
Mailing List
http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html
Mailing List
http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html
Third Party Advisory
http://www.securityfocus.com/bid/91826
More from iOS
10.0
CVE-2025-43300
Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2025-24085
Apple Multiple Products Use-After-Free Vulnerability
9.8
CVE-2025-31200
Apple Multiple Products Memory Corruption Vulnerability
9.8
CVE-2025-31201
Apple Multiple Products Arbitrary Read and Write Vulnerability