Vulnerability Report

CVE-2018-9251

Title: Xmlsoft Libxml2 Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2018-9251.

CWE Category CWE-835
Published Date Apr 04, 2018
Modified Date Jun 17, 2026
Exploit Status Not Found
Score 5.3 CVSS v3.0
Exploit Probability (EPSS)
2.44%

Vulnerability Summary

CVE-2018-9251: The xz_decomp function in xzlib.c in libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035.

Impacted Vendors

X
xmlsoft 1

Reference Links

https://bugzilla.gnome.org/show_bug.cgi?id=794914 https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html https://bugzilla.gnome.org/show_bug.cgi?id=794914 https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html
CVSS v3.0
Source Entity [email protected]
Severity MEDIUM
5.3
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity LOW
2.6
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:H/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2018-9251 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.