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cve[email protected]CVE-2023-22483
HistoryJan 23, 2023 - 11:15 p.m.

CVE-2023-22483

2023-01-2323:15:10
CWE-407
CWE-400
web.nvd.nist.gov
34
cmark-gfm
commonmark parsing
rendering library
github
cve-2023-22483
denial of service
resource exhaustion
vulnerability
nvd

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

7.7 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 are subject to several polynomial time complexity issues in cmark-gfm that may lead to unbounded resource exhaustion and subsequent denial of service. Various commands, when piped to cmark-gfm with large values, cause the running time to increase quadratically. These vulnerabilities have been patched in version 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

7.7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.1%