Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-24824

24
FAUCET Score

CVE-2023-24824 is a denial-of-service vulnerability affecting GitHub's cmark-gfm library, a CommonMark parsing and rendering tool. This flaw, rated High severity with a CVSS score of 7.5, stems from a polynomial time complexity issue that can be triggered by parsing text with numerous '>' or '-' characters, leading to unbounded resource exhaustion. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability. Users are advised to upgrade to version 0.29.0.gfm.10 or validate input from trusted sources if upgrading is not immediately possible.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.29.0.gfm.10.CPE matchmatch criteria
cpe:2.3:a:github:cmark-gfm:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.03%
Probability of exploitation in next 30 days
EPSS Percentile
60.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0103 is in the 37th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: pandoc-0:2.0.6-7.el8_10
View patch
redhatend of lifevia redhat_api
Product: Red Hat 3scale API Management Platform 2Fixed in: commonmarker

Vendor Advisories (1)

redhatCVE-2023-24824Moderate

cmark-gfm: Quadratic complexity bugs may lead to a denial of service

Apr 1, 2023

References

github.com / github/cmark-gfm/commit/2300c1bd2c8226108885bf019655c4159cf26b59
Patch
github.com / github/cmark-gfm/security/advisories/GHSA-66g8-4hjf-77xh
ExploitVendor Advisory