CVE-2016-1839
5.5
MEDIUM
CVSS 3.1
EPSS 4.5%
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.
How to fix CVE-2016-1839
To remediate CVE-2016-1839, upgrade the affected package to a fixed version below.
- Debian/libxml2—upgrade to 2.9.3+dfsg1-1.1 or later
Is CVE-2016-1839 being exploited?
Low — EPSS is 4.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.9.3+dfsg1-1.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |