Is CVE-2018-5345 in the CISA KEV catalog?

No. CVE-2018-5345 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-5345?

CVE-2018-5345 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2018-5345?

CVE-2018-5345 has an EPSS score of 2.19% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-5345?

Upgrade gcab on debian 11 to 0.7-7 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2018-5345

HIGHEPSS 80th pctl

7.8

CVSS v3

NVD

Description

A stack-based buffer overflow within GNOME gcab through 0.7.4 can be exploited by malicious attackers to cause a crash or, potentially, execute arbitrary code via a crafted .cab file.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

gcabDebian

Fixed in:0.7-7CVE-2018-5345

gcabUbuntu

Fixed in:0.7-1ubuntu0.1USN-3546-1

libgcab-1.0-0Ubuntu

Fixed in:0.7-1ubuntu0.1USN-3546-1

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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.19%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Third-Party Advisory4

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	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.