CVE-2018-14404
Nokogiri NULL Pointer Dereference
7.5
HIGH
CVSS 3.1
EPSS 20.0%
Description
A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application.
How to fix CVE-2018-14404
To remediate CVE-2018-14404, upgrade the affected package to a fixed version below.
- —upgrade to 2.9.8-r1 or later
- —upgrade to 2.9.10+dfsg-2 or later
- —upgrade to 1.8.5 or later
Is CVE-2018-14404 being exploited?
Moderate — EPSS is 20.0%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (3)
- from 0, < 2.9.8-r1
- from 0, < 2.9.10+dfsg-2
- from 0, < 1.8.5
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 |