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cveMitreCVE-2022-34749
HistoryJul 25, 2022 - 11:15 p.m.

CVE-2022-34749

2022-07-2523:15:07
CWE-1333
mitre
web.nvd.nist.gov
129
8
mistune
2.0.2
cve-2022-34749
inline markup
regular expression
backtracking

CVSS3

7.5

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

EPSS

0.001

Percentile

46.7%

JSON

In mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount of backtracking on certain edge cases. This behavior is commonly named catastrophic backtracking.

Affected configurations

Nvd
Node
mistune_projectmistuneRange≤2.0.2
Node
fedoraprojectfedoraMatch37
VendorProductVersionCPE
mistune_projectmistune*cpe:2.3:a:mistune_project:mistune:*:*:*:*:*:*:*:*
fedoraprojectfedora37cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

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CVSS3

7.5

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

EPSS

0.001

Percentile

46.7%

JSON
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