Is CVE-2018-14423 in the CISA KEV catalog?

No. CVE-2018-14423 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-14423?

CVE-2018-14423 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2018-14423?

CVE-2018-14423 has an EPSS score of 3.22% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-14423?

Upgrade openjpeg2 on debian 11 to 2.3.0-2 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2018-14423

HIGHEPSS 87th pctl

7.5

CVSS v3

NVD

Description

Division-by-zero vulnerabilities in the functions pi_next_pcrl, pi_next_cprl, and pi_next_rpcl in lib/openjp3d/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service (application crash).

CWE-369

How to fix

Remediation Available

openjpeg2Debian

Fixed in:2.3.0-2CVE-2018-14423

libopenjp2-7Ubuntu

Fixed in:2.3.0-2build0.18.04.1USN-4109-1

libopenjp3d7Ubuntu

Fixed in:2.3.0-2build0.18.04.1USN-4109-1

libopenjpip7Ubuntu

Fixed in:2.3.0-2build0.18.04.1USN-4109-1

openjpeg2Ubuntu

Fixed in:2.3.0-2build0.18.04.1USN-4109-1

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

3.22%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory2

Other references1

usn.ubuntu.com

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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.