CVE-2023-24824
Assigner: GitHub_M
Published: 2023-03-31T22:01:18.220Z
State: PUBLISHED
title: Quadratic complexity may lead to a denial of service in cmark-gfm
problemTypes: descriptions: cweId: CWE-400
description: CWE-400: Uncontrolled Resource Consumption
type: CWE
descriptions: cweId: CWE-407
description: CWE-407: Inefficient Algorithmic Complexity
type: CWE
metrics: cvssV3_1: attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 5.3
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
version: 3.1
affected: vendor: github
product: cmark-gfm
versions: version: < 0.29.0.gfm.10
status: affected
descriptions: value: cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. A polynomial time complexity issue in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. This CVE covers quadratic complexity issues when parsing text which leads with either large numbers of `>` or `-` characters. This issue has been addressed in version 0.29.0.gfm.10. Users are advised to upgrade. Users unable to upgrade should validate that their input comes from trusted sources.
source: advisory: GHSA-66g8-4hjf-77xh
discovery: UNKNOWN