CVE-2016-4609

high-risk
Published 2016-07-22

libxslt 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-2016-4607, CVE-2016-4608, CVE-2016-4610, and CVE-2016-4612.

Do I need to act?

~
3.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (9)

Libxslt

Affected Vendors

Debian Apple Fedoraproject Xmlsoft

References (30)

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
Third Party Advisory http://www.securitytracker.com/id/1036348
Mailing List https://lists.debian.org/debian-lts-announce/2019/07/msg00020.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Vendor Advisory https://support.apple.com/HT206899
Vendor Advisory https://support.apple.com/HT206901
Vendor Advisory https://support.apple.com/HT206902
Vendor Advisory https://support.apple.com/HT206903
Vendor Advisory https://support.apple.com/HT206904
Vendor Advisory https://support.apple.com/HT206905
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
and 10 more references
54
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 7/34 · Low
Exposure 15/34 · Moderate