CVE-2023-22486
3.5 · LOWOverview
CVE-2023-22486 is a low-severity vulnerability affecting github cmark-gfm. It was published on January 26, 2023 and has a CVSS 3.1 base score of 3.5 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical 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 contain a polynomial time complexity issue in handle_close_bracket that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has been patched in 0.29.0.gfm.7.
Remediation
Check the references section for vendor advisories and patches from github. Update cmark-gfm to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| github | cmark-gfm | >= 0, < 0.29.0.gfm.7 | Affected |
Frequently Asked Questions
What is CVE-2023-22486?
CVE-2023-22486 is a low-severity vulnerability affecting github cmark-gfm. It was published on January 26, 2023 and has a CVSS 3.1 base score of 3.5 (LOW).
How severe is CVE-2023-22486?
This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2023-22486?
Check the references section for vendor advisories and patches from github. Update cmark-gfm to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-22486?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-22486 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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