CVE-2018-14353

CRITICALEPSS 89th pctl

9.8

CVSS v3

Description

An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. imap_quote_string in imap/util.c has an integer underflow.

CWE-191

How to fix

Remediation Available

muttDebian

Fixed in:1.10.1-1CVE-2018-14353

muttUbuntu

Fixed in:1.5.21-6.4ubuntu2.2USN-3719-1

Fixed in:1.5.24-1ubuntu0.2USN-3719-3

Fixed in:1.5.24-1ubuntu0.1USN-3719-1

Fixed in:1.9.4-3ubuntu0.1USN-3719-1

mutt-patchedUbuntu

Fixed in:1.5.21-6.4ubuntu2.2USN-3719-1

Fixed in:1.5.24-1ubuntu0.2USN-3719-3

Fixed in:1.5.24-1ubuntu0.1USN-3719-1

neomuttUbuntu

Fixed in:20171215+dfsg.1-1ubuntu0.1~esm1USN-7204-1

Fixed in:20191207+dfsg.1-1.1ubuntu0.1~esm1USN-7204-1

Fixed in:20211029+dfsg1-1ubuntu0.1~esm1USN-7204-1

Fixed in:20231103+dfsg1-1ubuntu0.1~esm1USN-7204-1

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.70%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Patch2

Vendor Advisory2

Third-Party Advisory5

Related Vulnerabilities

Other CWE-191 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0497	Critical	9.8	100%	KEV	Fix
CVE-2020-36221	High	7.5	84%	-	Fix
CVE-2020-36228	High	7.5	83%	-	Fix
CVE-2023-31102	High	7.8	71%	-	Fix
CVE-2024-38063	Critical	9.8	71%	-	Fix
CVE-2017-14496	High	7.5	66%	-	Fix

Common questions

How do I fix CVE-2018-14353?

Published advisories record a fix for 4 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-2018-14353 being actively exploited?

Not that we know of. CVE-2018-14353 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 3.7% is the estimated probability that it will be exploited in the next 30 days. That is higher than 89% of all scored CVEs.

How severe is CVE-2018-14353?

CVE-2018-14353 has a CVSS v3 base score of 9.8, rated critical. 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-2018-14353 affect?

Published advisories record a fix for mutt (Debian), mutt (Ubuntu), mutt-patched (Ubuntu), neomutt (Ubuntu). 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.