CVE-2022-34749

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-34749
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/lepture/mistune/commit/a6d43215132fe4f3d93f8d7e90ba83b16a0838b2 Patch Third Party Advisory
https://github.com/lepture/mistune/releases Release Notes Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TQHXITQ2DSBYOILKHXBSBB7PFBPZHF63/
https://github.com/lepture/mistune/commit/a6d43215132fe4f3d93f8d7e90ba83b16a0838b2 Patch Third Party Advisory
https://github.com/lepture/mistune/releases Release Notes Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TQHXITQ2DSBYOILKHXBSBB7PFBPZHF63/
Configurations

Configuration 1 (hide)

cpe:2.3:a:mistune_project:mistune:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
History

21 Nov 2024, 07:10

Type Values Removed Values Added
References () https://github.com/lepture/mistune/commit/a6d43215132fe4f3d93f8d7e90ba83b16a0838b2 - Patch, Third Party Advisory () https://github.com/lepture/mistune/commit/a6d43215132fe4f3d93f8d7e90ba83b16a0838b2 - Patch, Third Party Advisory
References () https://github.com/lepture/mistune/releases - Release Notes, Third Party Advisory () https://github.com/lepture/mistune/releases - Release Notes, Third Party Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TQHXITQ2DSBYOILKHXBSBB7PFBPZHF63/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TQHXITQ2DSBYOILKHXBSBB7PFBPZHF63/ -

08 Aug 2023, 14:22

Type Values Removed Values Added
CWE NVD-CWE-Other CWE-1333
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TQHXITQ2DSBYOILKHXBSBB7PFBPZHF63/ - Mailing List, Third Party Advisory
CPE cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

26 Aug 2022, 17:07

Type Values Removed Values Added
CWE CWE-697 NVD-CWE-Other
CVSS v2 : unknown
v3 : 9.8 		v2 : unknown
v3 : 7.5

02 Aug 2022, 15:56

Type Values Removed Values Added
CPE cpe:2.3:a:mistune_project:mistune:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8
CWE CWE-697
References (MISC) https://github.com/lepture/mistune/commit/a6d43215132fe4f3d93f8d7e90ba83b16a0838b2 - (MISC) https://github.com/lepture/mistune/commit/a6d43215132fe4f3d93f8d7e90ba83b16a0838b2 - Patch, Third Party Advisory
References (MISC) https://github.com/lepture/mistune/releases - (MISC) https://github.com/lepture/mistune/releases - Release Notes, Third Party Advisory

25 Jul 2022, 23:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-07-25 23:15

Updated : 2024-11-21 07:10

NVD link : CVE-2022-34749

Mitre link : CVE-2022-34749

CVE.ORG link : CVE-2022-34749

JSON object : View

Products Affected

mistune_project

  • mistune

fedoraproject

  • fedora
CWE
CWE-1333

Inefficient Regular Expression Complexity