Vulnerability Report

CVE-2018-14404

Title: Xmlsoft Libxml2 Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2018-14404.

CWE Category CWE-476
Published Date Jul 19, 2018
Modified Date Dec 03, 2025
Exploit Status Not Found
Score 6.5 CVSS v3.1
Exploit Probability (EPSS)
3.68%

Vulnerability Summary

CVE-2018-14404: 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.

Impacted Vendors

X
xmlsoft 1

Reference Links

https://access.redhat.com/errata/RHSA-2019:1543 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901817 https://bugzilla.redhat.com/show_bug.cgi?id=1595985 https://gitlab.gnome.org/GNOME/libxml2/issues/10 https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html https://security.netapp.com/advisory/ntap-20190719-0002/ https://usn.ubuntu.com/3739-1/ https://usn.ubuntu.com/3739-2/ https://access.redhat.com/errata/RHSA-2019:1543 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901817 https://bugzilla.redhat.com/show_bug.cgi?id=1595985 https://gitlab.gnome.org/GNOME/libxml2/issues/10 https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html https://security.netapp.com/advisory/ntap-20190719-0002/ https://usn.ubuntu.com/3739-1/ https://usn.ubuntu.com/3739-2/
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity MEDIUM
6.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v3.0
Source Entity [email protected]
Severity HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2018-14404 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.