CVE-2023-22486CWE-400CWE-407

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

Low · published January 24, 2023

CVSS v3.1
3.5
EPSS
1%
Percentile
65.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
3.5 · LOW
Vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.01108 · 65.6th percentile
Weaknesses
CWE-400 · Uncontrolled Resource Consumption; CWE-407 · Inefficient Algorithmic Complexity
Published
2023-01-24T02:30Z
EPSS history
Timeline
  • 24 JAN 02:30Z
    cmark-gfm Quadratic complexity bug in handle_close_bracket may lead to a denial of service
    cvelistv5