CVE & CISA-KEV Catalog

CVE-2018-14567

MEDIUMEPSS 90th pctl
6.5
CVSS v3
NVD

Description

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 and CVE-2018-9251.

How to fix

Remediation Available
libxml2Debian
Fixed in:2.9.10+dfsg-2CVE-2018-14567
Fixed in:2.9.10+dfsg-2CVE-2018-14567
Fixed in:2.9.10+dfsg-2CVE-2018-14567
Fixed in:2.9.10+dfsg-2CVE-2018-14567
libxml2Ubuntu
Fixed in:2.9.1+dfsg1-3ubuntu4.13USN-3739-1
Fixed in:2.9.3+dfsg1-1ubuntu0.6USN-3739-1
Fixed in:2.9.4+dfsg1-6.1ubuntu1.2USN-3739-1
libxml2-utilsUbuntu
Fixed in:2.9.1+dfsg1-3ubuntu4.13USN-3739-1
Fixed in:2.9.3+dfsg1-1ubuntu0.6USN-3739-1
Fixed in:2.9.4+dfsg1-6.1ubuntu1.2USN-3739-1
python-libxml2Ubuntu
Fixed in:2.9.1+dfsg1-3ubuntu4.13USN-3739-1
Fixed in:2.9.3+dfsg1-1ubuntu0.6USN-3739-1
Fixed in:2.9.4+dfsg1-6.1ubuntu1.2USN-3739-1
python3-libxml2Ubuntu
Fixed in:2.9.4+dfsg1-6.1ubuntu1.2USN-3739-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

4.30%probability of exploitation in 30 days
90thpercentile

High risk: more likely to be exploited than 90% of all known CVEs.

References

Related Vulnerabilities

Other CWE-835 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-13935High7.587%-Fix
CVE-2020-36227High7.578%-Fix
CVE-2024-20353High8.671%KEV-
CVE-2022-0778High7.571%-Fix
CVE-2019-14241High7.570%--
CVE-2017-16944High7.563%-Fix

Common questions

How do I fix CVE-2018-14567?

Published advisories record a fix for 5 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2018-14567 being actively exploited?

Not that we know of. CVE-2018-14567 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 4.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 90% of all scored CVEs.

How severe is CVE-2018-14567?

CVE-2018-14567 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2018-14567 affect?

Published advisories record a fix for libxml2 (Debian), libxml2 (Ubuntu), libxml2-utils (Ubuntu), python-libxml2 (Ubuntu), and 1 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.