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ubuntucveUbuntu.comUB:CVE-2023-22484
HistoryJan 23, 2023 - 12:00 a.m.

CVE-2023-22484

2023-01-2300:00:00
ubuntu.com
ubuntu.com
8
cmark-gfm
commonmark
resource exhaustion
denial of service
unix

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

0.001 Low

EPSS

Percentile

31.2%

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 a
polynomial time complexity issue in cmark-gfm that may lead to unbounded
resource exhaustion and subsequent denial of service. This vulnerability
has been patched in 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

0.001 Low

EPSS

Percentile

31.2%