Upstream information

CVE-2020-6817 at MITRE

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']}).

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v3 Scores
  National Vulnerability Database
Base Score 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1168280 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP2
  • python2-bleach >= 3.1.5-bp152.2.4.1
  • python3-bleach >= 3.1.5-bp152.2.4.1
 Patchnames:
openSUSE-2021-571
openSUSE Leap 15.2
  • python2-bleach >= 3.1.5-lp152.2.3.1
  • python3-bleach >= 3.1.5-lp152.2.3.1
 Patchnames:
openSUSE-2021-552
openSUSE Tumbleweed
  • python36-bleach >= 3.3.0-1.4
  • python38-bleach >= 3.3.0-1.4
  • python39-bleach >= 3.3.0-1.4
 Patchnames:
openSUSE Tumbleweed GA python36-bleach-3.3.0-1.4

SUSE Timeline for this CVE

CVE page created: Wed Apr 1 05:55:51 2020
CVE page last modified: Tue May 23 15:30:32 2023