CVE-2023-37463mediumCWE-400

CVE-2023-37463: medium-severity vulnerability in github cmark-gfm

Quadratic complexity bugs may lead to a denial of service

Published · Updated

Follow this CVE+ Monitor cmark-gfm+ Monitor ruby-commonmarker

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.4epss 0.7%
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.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
Affected products
github · cmark-gfm
Related CVEs — github cmark-gfm

In the same product, most dangerous first.

CVE-2022-24724HIGHInteger overflow in table parsing extension leads to heap memory corruptionEPSS 4.5%CVE-2022-39209HIGHUncontrolled Resource Consumption in cmark-gfmEPSS 2.3%CVE-2020-5238MEDIUMDenial of service in table parsing in cmark-gfmEPSS 1.6%CVE-2023-22486LOWcmark-gfm Quadratic complexity bug in handle_close_bracket may lead to a denial of serviceEPSS 1.1%CVE-2023-22483LOWcmark-gfm Quadratic complexity bugs may lead to a denial of serviceEPSS 1.1%CVE-2023-24824MEDIUMQuadratic complexity may lead to a denial of service in cmark-gfmEPSS 1.0%