Is CVE-2023-22484 in the CISA KEV catalog?

No. CVE-2023-22484 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-22484?

CVE-2023-22484 has a CVSS v3 base score of 3.5 (LOW).

What is the EPSS score for CVE-2023-22484?

CVE-2023-22484 has an EPSS score of 0.96% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-22484?

Upgrade cmark-gfm on debian 13 to 0.29.0.gfm.13-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-22484

LOW

3.5

CVSS v3

NVD

Description

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 are subject to a polynomial time complexity issue in cmark-gfm that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has been patched in 0.29.0.gfm.7.

CWE-400Resource Exhaustion CWE-407

How to fix

Remediation Available

cmark-gfmDebian

Fixed in:0.29.0.gfm.13-1CVE-2023-22484

cmark-gfmUbuntu

Fixed in:0.29.0.gfm.0-4ubuntu0.1~esm1USN-7319-1

Fixed in:0.29.0.gfm.3-3ubuntu0.1~esm1USN-7319-1

Fixed in:0.29.0.gfm.6-6ubuntu0.24.04.1~esm1USN-7319-1

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 VectorAdjacent

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.96%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Exploit1

github.com

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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.