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cve[email protected]CVE-2023-22486
HistoryJan 26, 2023 - 9:18 p.m.

CVE-2023-22486

2023-01-2621:18:12
CWE-407
CWE-400
web.nvd.nist.gov
62
cmark-gfm
github
commonmark
unbounded resource exhaustion
denial of service
cve-2023-22486

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.1%

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.

Affected configurations

Vulners
NVD
Node
githubcmark-gfmRange<0.29.0.gfm.7
VendorProductVersionCPE
githubcmark\-gfm*cpe:2.3:a:github:cmark\-gfm:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "vendor": "github",
    "product": "cmark-gfm",
    "versions": [
      {
        "version": "< 0.29.0.gfm.7",
        "status": "affected"
      }
    ]
  }
]

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.1%