CVE-2022-34749
CVSS V2 None
CVSS V3 High 7.5
Description
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.
Overview
- CVE ID
- CVE-2022-34749
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2022-07-25T23:15:07
- Last Modified Date
- 2022-12-08T22:35:03
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mistune_project:mistune:*:*:*:*:*:*:*:* | 1 | OR | 2.0.2 |
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| 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@lists.fedoraproject.org/message/TQHXITQ2DSBYOILKHXBSBB7PFBPZHF63/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2022-34749 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-34749 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-07-26 00:00:34 | Added to TrackCVE | |||
| 2022-12-08 23:15:08 | 2022-12-08T22:35:03 | CVE Modified Date | updated | |
| 2022-12-08 23:15:08 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |