Is CVE-2018-8099 in the CISA KEV catalog?

No. CVE-2018-8099 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-8099?

CVE-2018-8099 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2018-8099?

CVE-2018-8099 has an EPSS score of 1.39% (69th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-8099?

Upgrade libgit2 on debian 11 to 0.27.0+dfsg.1-0.6 or later.

CVE & CISA-KEV Catalog

CVE-2018-8099

MEDIUM

6.5

CVSS v3

NVD

Description

Incorrect returning of an error code in the index.c:read_entry() function leads to a double free in libgit2 before v0.26.2, which allows an attacker to cause a denial of service via a crafted repository index file.

CWE-415

How to fix

Remediation Available

libgit2Debian

Fixed in:0.27.0+dfsg.1-0.6CVE-2018-8099

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

Exploit Intelligence

1.39%probability of exploitation in 30 days

69thpercentile

Moderate risk: more likely to be exploited than 69% of all known CVEs.

References

Patch2

Third-Party Advisory1

lists.debian.org

Related Vulnerabilities

Other CWE-415 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-25136	Medium	6.5	90%	-	Fix
CVE-2018-0101	Critical	10.0	87%	-	Fix
CVE-2003-0545	Critical	9.8	85%	-	Fix
CVE-2019-3829	Medium	5.3	59%	-	Fix
CVE-2026-33824	Critical	9.8	56%	-	Fix
CVE-2021-3407	Medium	5.5	50%	-	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.