CVE-2023-22486

Public Exploit
cmark-gfm Quadratic complexity bug in handle_close_bracket may lead to a denial of service

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.

Category

3.5
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.13%
Third-Party Advisory github.com
Affected: github cmark-gfm
Published at:
Updated at:

References

Link Tags
https://github.com/github/cmark-gfm/security/advisories/GHSA-r572-jvj2-3m8p third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2023-22486?
CVE-2023-22486 has been scored as a low severity vulnerability.
How to fix CVE-2023-22486?
To fix CVE-2023-22486, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-22486 being actively exploited in the wild?
It is possible that CVE-2023-22486 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-22486?
CVE-2023-22486 affects github cmark-gfm.
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