CVE-2020-6817
CVSS V2 None
CVSS V3 None
Description
bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to ReDoS. For example, bleach.clean(..., attributes={'a': ['style']}).
Overview
- CVE ID
- CVE-2020-6817
- Assigner
- security@mozilla.org
- Vulnerability Status
- Analyzed
- Published Version
- 2023-02-16T22:15:10
- Last Modified Date
- 2023-02-28T14:46:27
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mozilla:bleach:*:*:*:*:*:*:*:* | 1 | OR | 3.1.4 |
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1623633 | Exploit Issue Tracking |
| https://github.com/mozilla/bleach/security/advisories/GHSA-vqhp-cxgc-6wmm | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-6817 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6817 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2023-04-17 07:55:06 | Added to TrackCVE | |||
| 2023-04-17 07:55:07 | Weakness Enumeration | new |