SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-1839

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…

MEDIUM 5.5EPSS 7.35%

Does this matter?

Lower severity and a low EPSS score (7.35%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 3.0
5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
7.35% probability · 94th percentile
CISA KEV
Not listed
Weakness
CWE-125
Affected
apple/iphone os · apple/mac os x · apple/tvos · apple/watchos · canonical/ubuntu linux · debian/debian linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux server tus · redhat/enterprise linux workstation · mcafee/web gateway · xmlsoft/libxml2
Source
product-security@apple.com

References

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