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githubGitHub Advisory DatabaseGHSA-FW3V-X4F2-V673
HistoryJul 26, 2022 - 12:00 a.m.

Mistune vulnerable to catastrophic backtracking

2022-07-2600:00:27
CWE-1333
GitHub Advisory Database
github.com
22
mistune
software
vulnerability
catastrophic backtracking
regular expressions

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

Vulners
Node
mistune_projectmistuneRange2.0.0a1–2.0.3
VendorProductVersionCPE
mistune_projectmistune*cpe:2.3:a:mistune_project:mistune:*:*:*:*:*:*:*:*

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2022-10-07 16:12:33

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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