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

3.5LOW

Key Information:

Vendor

Github
Status
Cmark-gfm
Vendor
CVE Published:
23 January 2023

What is CVE-2023-22484?

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:
3.5
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.