CVE-2016-1841

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-05-20 · updated 2026-06-17
Weakness: CWE-119

Description

libxslt, 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 execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.

Affected products

Apple Iphone Os: before 9.3.2 — fixed in 9.3.2
macOS: before 10.11.5 — fixed in 10.11.5
Apple tvOS: before 9.2.1 — fixed in 9.2.1
Apple watchOS: before 2.2.1 — fixed in 2.2.1

How to fix

Upgrade to a fixed version: Apple Iphone Os 9.3.2; macOS 10.11.5; Apple tvOS 9.2.1; Apple watchOS 2.2.1. Check the vendor advisory for mitigations.

References

http://lists.apple.com/archives/security-announce/2016/May/msg00001.html
http://lists.apple.com/archives/security-announce/2016/May/msg00002.html
http://lists.apple.com/archives/security-announce/2016/May/msg00003.html
http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
http://www.securityfocus.com/bid/90691
http://www.securitytracker.com/id/1035890
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SK4YNISS22MJY22YX5I6V2U63QZAUEHA/
https://support.apple.com/HT206564
https://support.apple.com/HT206566
https://support.apple.com/HT206567
https://support.apple.com/HT206568
http://lists.apple.com/archives/security-announce/2016/May/msg00001.html

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