CVE-2018-17141

CRITICALEPSS 92th pctl

9.8

CVSS v3

Description

HylaFAX 6.0.6 and HylaFAX+ 5.6.0 allow remote attackers to execute arbitrary code via a dial-in session that provides a FAX page with the JPEG bit enabled, which is mishandled in FaxModem::writeECMData() in the faxd/CopyQuality.c++ file.

CWE-787Out-of-bounds Write CWE-824

How to fix

Remediation Available

hylafaxDebian

Fixed in:3:6.0.6-8.1CVE-2018-17141

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

Exploit Intelligence

5.59%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Exploit3

Third-Party Advisory2

Other references1

git.hylafax.org

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2019-11043	High	8.7	100%	KEV + Ransom	Fix

Common questions

How do I fix CVE-2018-17141?

Upgrade hylafax on debian 11 to 3:6.0.6-8.1 or later.

Is CVE-2018-17141 being actively exploited?

Not that we know of. CVE-2018-17141 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 5.6% is the estimated probability that it will be exploited in the next 30 days. That is higher than 92% of all scored CVEs.

How severe is CVE-2018-17141?

CVE-2018-17141 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-2018-17141 affect?

Published advisories record a fix for hylafax (Debian). 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.