DEBIAN-CVE-2020-6817

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Source
https://security-tracker.debian.org/tracker/CVE-2020-6817
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2020-6817.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2020-6817
Upstream
Published
2023-02-16T22:15:10Z
Modified
2025-09-25T22:40:45Z
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

Debian:11 / python-bleach

Package

Name
python-bleach
Purl
pkg:deb/debian/python-bleach?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1.4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / python-bleach

Package

Name
python-bleach
Purl
pkg:deb/debian/python-bleach?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1.4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / python-bleach

Package

Name
python-bleach
Purl
pkg:deb/debian/python-bleach?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1.4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / python-bleach

Package

Name
python-bleach
Purl
pkg:deb/debian/python-bleach?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1.4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}