Is CVE-2018-16842 in the CISA KEV catalog?

No. CVE-2018-16842 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-16842?

CVE-2018-16842 has a CVSS v3 base score of 4.4 (MEDIUM).

What is the EPSS score for CVE-2018-16842?

CVE-2018-16842 has an EPSS score of 2.10% (79th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-16842?

Upgrade curl on debian 11 to 7.62.0-1 or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2018-16842

MEDIUMEPSS 79th pctl

4.4

CVSS v3

NVD

Description

Curl versions 7.14.1 through 7.61.1 are vulnerable to a heap-based buffer over-read in the tool_msgs.c:voutf() function that may result in information exposure and denial of service.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

curlDebian

Fixed in:7.62.0-1CVE-2018-16842

curlUbuntu

Fixed in:7.35.0-1ubuntu2.19USN-3805-1

Fixed in:7.47.0-1ubuntu2.11USN-3805-1

Fixed in:7.58.0-2ubuntu3.5USN-3805-1

libcurl3Ubuntu

Fixed in:7.35.0-1ubuntu2.19USN-3805-1

Fixed in:7.47.0-1ubuntu2.11USN-3805-1

libcurl3-gnutlsUbuntu

Fixed in:7.35.0-1ubuntu2.19USN-3805-1

Fixed in:7.47.0-1ubuntu2.11USN-3805-1

Fixed in:7.58.0-2ubuntu3.5USN-3805-1

libcurl3-nssUbuntu

Fixed in:7.35.0-1ubuntu2.19USN-3805-1

Fixed in:7.47.0-1ubuntu2.11USN-3805-1

Fixed in:7.58.0-2ubuntu3.5USN-3805-1

libcurl4Ubuntu

Fixed in:7.58.0-2ubuntu3.5USN-3805-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

2.10%probability of exploitation in 30 days

79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Patch2

Third-Party Advisory7

Other references2

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	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 2024-11-21.