Is CVE-2023-37463 in the CISA KEV catalog?

No. CVE-2023-37463 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-37463?

CVE-2023-37463 has a CVSS v3 base score of 6.4 (MEDIUM).

What is the EPSS score for CVE-2023-37463?

CVE-2023-37463 has an EPSS score of 0.59% (44th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-37463?

Upgrade cmark-gfm on debian 13 to 0.29.0.gfm.13-1 or later.

CVE & CISA-KEV Catalog

CVE-2023-37463

MEDIUM

6.4

CVSS v3

NVD

Description

cmark-gfm is an extended version of the C reference implementation of CommonMark, a rationalized version of Markdown syntax with a spec. Three polynomial time complexity issues in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. These vulnerabilities have been patched in 0.29.0.gfm.12.

CWE-400Resource Exhaustion

How to fix

Remediation Available

cmark-gfmDebian

Fixed in:0.29.0.gfm.13-1CVE-2023-37463

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 ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityHigh

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

Exploit Intelligence

0.59%probability of exploitation in 30 days

44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

Exploit1

github.com

Release Notes1

github.com

Related Vulnerabilities

Other CWE-400 (Resource Exhaustion) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-44487	High	7.5	100%	KEV	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2011-3192	High	7.8	99%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2024-25617	Medium	5.3	89%	-	Fix
CVE-2018-1000115	High	7.5	89%	-	Fix

Embed a live status badge for CVE-2023-37463

Markdown

[![CVE-2023-37463](https://tridentstack.com/cve/badge/CVE-2023-37463.svg)](https://tridentstack.com/cve/CVE-2023-37463)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-37463"><img src="https://tridentstack.com/cve/badge/CVE-2023-37463.svg" alt="CVE-2023-37463"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.