UBUNTU-CVE-2020-6817

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Source
https://ubuntu.com/security/CVE-2020-6817
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-6817.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-6817
Related
Published
2023-02-16T22:15:00Z
Modified
2024-10-15T14:07:54Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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']}).

References

Affected packages

Ubuntu:Pro:16.04:LTS / python-bleach

Package

Name
python-bleach
Purl
pkg:deb/ubuntu/python-bleach?arch=src?distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.4-1
1.4.2-1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:18.04:LTS / python-bleach

Package

Name
python-bleach
Purl
pkg:deb/ubuntu/python-bleach?arch=src?distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.0-1
2.1.2-1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:20.04:LTS / python-bleach

Package

Name
python-bleach
Purl
pkg:deb/ubuntu/python-bleach?arch=src?distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.1.0-1
3.1.0-2
3.1.1-1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}