Inefficient Quadratic complexity bug in handle_pointy_brace may lead to a denial of service
CVE-2023-22484

7.5HIGH

Key Information:

Vendor
github
Status
cmark-gfm
Vendor
CVE Published:
23 January 2023

Summary

The cmark-gfm library, a GitHub fork of the CommonMark parsing and rendering library, is affected by a polynomial time complexity issue that can cause unbounded resource exhaustion. This vulnerability allows attackers to exploit the library, leading to potential denial of service by overwhelming system resources. The flaw has been addressed in version 0.29.0.gfm.7, urging all users to update to mitigate these risks.

Affected Version(s)

cmark-gfm < 0.29.0.gfm.7

References

https://github.com/github/cmark-gfm/security/advisories/G...
x_refsource_CONFIRM

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.