SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-4609

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…

CRITICAL 9.8EPSS 5.15%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (5.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
5.15% probability · 92th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
xmlsoft/libxslt · apple/iphone os · apple/mac os x · apple/tvos · apple/watchos · apple/icloud · apple/itunes · fedoraproject/fedora · debian/debian linux
Source
product-security@apple.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.