Is CVE-2018-18898 in the CISA KEV catalog?

No. CVE-2018-18898 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-18898?

CVE-2018-18898 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2018-18898?

CVE-2018-18898 has an EPSS score of 2.36% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-18898?

Upgrade libemail-address-list-perl on debian 11 to 0.06-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2018-18898

HIGHEPSS 82th pctl

7.5

CVSS v3

NVD

Description

The email-ingestion feature in Best Practical Request Tracker 4.1.13 through 4.4 allows denial of service by remote attackers via an algorithmic complexity attack on email address parsing.

CWE-400Resource Exhaustion

How to fix

Remediation Available

libemail-address-list-perlDebian

Fixed in:0.06-1CVE-2018-18898

libemail-address-list-perlUbuntu

Fixed in:0.05-1+deb9u1build0.16.04.1USN-4517-1

Fixed in:0.05-1+deb9u1build0.18.04.1USN-4517-1

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

Exploit Intelligence

2.36%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Third-Party Advisory2

Release Notes1

bestpractical.com

Other references2

Related Vulnerabilities

Other CWE-400 (Resource Exhaustion) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-44487	High	7.5	100%	KEV	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2011-3192	High	7.8	99%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2024-25617	Medium	5.3	89%	-	Fix
CVE-2018-1000115	High	7.5	89%	-	Fix

Embed a live status badge for CVE-2018-18898

Markdown

[![CVE-2018-18898](https://tridentstack.com/cve/badge/CVE-2018-18898.svg)](https://tridentstack.com/cve/CVE-2018-18898)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-18898"><img src="https://tridentstack.com/cve/badge/CVE-2018-18898.svg" alt="CVE-2018-18898"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.