CVE-2016-3705
7.5
HIGH
CVSS 3.1
EPSS 0.88%
Description
The (1) xmlParserEntityCheck and (2) xmlParseAttValueComplex functions in parser.c in libxml2 2.9.3 do not properly keep track of the recursion depth, which allows context-dependent attackers to cause a denial of service (stack consumption and application crash) via a crafted XML document containing a large number of nested entity references.
How to fix CVE-2016-3705
To remediate CVE-2016-3705, upgrade the affected package to a fixed version below.
- —upgrade to 2.9.3+dfsg1-1.1 or later
Is CVE-2016-3705 being exploited?
Low — EPSS is 0.9%, 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 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |