CVE-2016-4449
7.1
HIGH
CVSS 3.1
EPSS 0.12%
Description
XML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4, when not in validating mode, allows context-dependent attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors.
How to fix CVE-2016-4449
To remediate CVE-2016-4449, upgrade the affected package to a fixed version below.
- Debian/libxml2—upgrade to 2.9.3+dfsg1-1.1 or later
Is CVE-2016-4449 being exploited?
Low — EPSS is 0.1%, 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 | HIGH7.1 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H |