Is CVE-2018-14567 in the CISA KEV catalog?

No. CVE-2018-14567 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-14567?

CVE-2018-14567 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2018-14567?

CVE-2018-14567 has an EPSS score of 4.30% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-14567?

Upgrade libxml2 on debian 11 to 2.9.10+dfsg-2 or later. Fixes are available for 5 affected products.

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.

CWE-835

How to fix

Remediation Available

libxml2Debian

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

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

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

References

Patch1

gitlab.gnome.org

Third-Party Advisory3

Other references1

lists.debian.org

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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.