Is CVE-2017-5978 in the CISA KEV catalog?

No. CVE-2017-5978 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-5978?

CVE-2017-5978 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2017-5978?

CVE-2017-5978 has an EPSS score of 1.62% (73th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-5978?

Upgrade zziplib on debian 11 to 0.13.62-3.1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2017-5978

MEDIUMEPSS 73th pctl

5.5

CVSS v3

NVD

Description

The zzip_mem_entry_new function in memdisk.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted ZIP file.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

zziplibDebian

Fixed in:0.13.62-3.1CVE-2017-5978

libzzip-0-13Ubuntu

Fixed in:0.13.62-2ubuntu0.1USN-3320-1

Fixed in:0.13.62-3ubuntu0.16.04.1USN-3320-1

zziplibUbuntu

Fixed in:0.13.62-2ubuntu0.1USN-3320-1

Fixed in:0.13.62-3ubuntu0.16.04.1USN-3320-1

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

1.62%probability of exploitation in 30 days

73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

Exploit1

blogs.gentoo.org

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 2026-05-13.