Is CVE-2017-8842 in the CISA KEV catalog?

No. CVE-2017-8842 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-8842?

CVE-2017-8842 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2017-8842?

CVE-2017-8842 has an EPSS score of 1.58% (72th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-8842?

Upgrade lrzip on debian 11 to 0.631+git180517-1 or later.

CVE & CISA-KEV Catalog

CVE-2017-8842

MEDIUMEPSS 72th pctl

5.5

CVSS v3

NVD

Description

The bufRead::get() function in libzpaq/libzpaq.h in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted archive.

CWE-369

How to fix

Remediation Available

lrzipDebian

Fixed in:0.631+git180517-1CVE-2017-8842

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

Exploit Intelligence

1.58%probability of exploitation in 30 days

72ndpercentile

Elevated risk: more likely to be exploited than 72% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory2

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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 2026-05-13.