CVE-2016-1840
7.8
HIGH
CVSS 3.1
EPSS 1.6%
Description
Heap-based buffer overflow in the xmlFAParsePosCharGroup 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 execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document.
How to fix CVE-2016-1840
To remediate CVE-2016-1840, upgrade the affected package to a fixed version below.
- Debian/libxml2—upgrade to 2.9.3+dfsg1-1.1 or later
Is CVE-2016-1840 being exploited?
Low — EPSS is 1.6%, 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 | HIGH7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |