Is CVE-2018-7726 in the CISA KEV catalog?

No. CVE-2018-7726 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-7726?

CVE-2018-7726 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2018-7726?

CVE-2018-7726 has an EPSS score of 1.75% (75th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-7726?

Upgrade zziplib on debian 11 to 0.13.62-3.2 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2018-7726

MEDIUMEPSS 75th pctl

6.5

CVSS v3

NVD

Description

An issue was discovered in ZZIPlib 0.13.68. There is a bus error caused by the __zzip_parse_root_directory function of zip.c. Attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.

CWE-119Buffer Overflow

How to fix

Remediation Available

zziplibDebian

Fixed in:0.13.62-3.2CVE-2018-7726

libzzip-0-13Ubuntu

Fixed in:0.13.62-2ubuntu0.2USN-3699-1

Fixed in:0.13.62-3ubuntu0.16.04.2USN-3699-1

Fixed in:0.13.62-3.1ubuntu0.18.04.1USN-3699-1

zziplibUbuntu

Fixed in:0.13.62-2ubuntu0.2USN-3699-1

Fixed in:0.13.62-3ubuntu0.16.04.2USN-3699-1

Fixed in:0.13.62-3.1ubuntu0.18.04.1USN-3699-1

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.75%probability of exploitation in 30 days

75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Exploit1

github.com

Third-Party Advisory2

Other references1

lists.debian.org

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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 2025-07-10.