Is CVE-2018-19840 in the CISA KEV catalog?

No. CVE-2018-19840 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-19840?

CVE-2018-19840 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2018-19840?

CVE-2018-19840 has an EPSS score of 2.30% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-19840?

Upgrade wavpack on debian 11 to 5.1.0-5 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2018-19840

MEDIUMEPSS 81th pctl

5.5

CVSS v3

NVD

Description

The function WavpackPackInit in pack_utils.c in libwavpack.a in WavPack through 5.1.0 allows attackers to cause a denial-of-service (resource exhaustion caused by an infinite loop) via a crafted wav audio file because WavpackSetConfiguration64 mishandles a sample rate of zero.

CWE-835

How to fix

Remediation Available

wavpackDebian

Fixed in:5.1.0-5CVE-2018-19840

libwavpack1Ubuntu

Fixed in:4.70.0-1ubuntu0.2USN-3839-1

Fixed in:4.75.2-2ubuntu0.2USN-3839-1

Fixed in:5.1.0-2ubuntu1.2USN-3839-1

wavpackUbuntu

Fixed in:4.70.0-1ubuntu0.2USN-3839-1

Fixed in:4.75.2-2ubuntu0.2USN-3839-1

Fixed in:5.1.0-2ubuntu1.2USN-3839-1

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

2.30%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory3

Other references9

Related Vulnerabilities

Other CWE-835 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-13935	High	7.5	88%	-	Fix
CVE-2020-36227	High	7.5	78%	-	Fix
CVE-2022-0778	High	7.5	71%	-	Fix
CVE-2019-14241	High	7.5	70%	-	-
CVE-2017-16944	High	7.5	63%	-	Fix
CVE-2024-20353	High	8.6	63%	KEV	-

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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.