Is CVE-2024-4140 in the CISA KEV catalog?

No. CVE-2024-4140 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-4140?

CVE-2024-4140 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2024-4140?

CVE-2024-4140 has an EPSS score of 1.13% (63th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-4140?

Upgrade libemail-mime-perl on debian 13 to 1.954-1 or later.

CVE & CISA-KEV Catalog

CVE-2024-4140

HIGH

7.5

CVSS v3

NVD

Description

An excessive memory use issue (CWE-770) exists in Email-MIME, before version 1.954, which can cause denial of service when parsing multipart MIME messages. The patch set (from 2020 and 2024) limits excessive depth and the total number of parts.

CWE-770Allocation of Resources Without Limits or Throttling

How to fix

Remediation Available

libemail-mime-perlDebian

Fixed in:1.954-1CVE-2024-4140

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

1.13%probability of exploitation in 30 days

63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Patch6

Third-Party Advisory1

cve.org

Issue Tracking2

Mailing List3

Related Vulnerabilities

Other CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-50387	High	7.5	100%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2019-11479	High	7.5	92%	-	Fix
CVE-2024-27316	High	7.5	91%	-	Fix
CVE-2022-30522	High	7.5	90%	-	Fix
CVE-2019-9515	High	7.5	88%	-	Fix

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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 2025-08-26.