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

CVE-2023-22486

2023-01-2621:18:12
CWE-400
CWE-407
web.nvd.nist.gov
1
cmark-gfm
resource exhaustion
denial of service
vulnerability
patch

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

5.4 Medium

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

NVD
Node
githubcmark-gfmRange<0.29.0.gfm.7

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

5.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.1%