DEBIAN-CVE-2021-40839

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Source
https://security-tracker.debian.org/tracker/CVE-2021-40839
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-40839.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-40839
Upstream
Published
2021-09-10T02:15:07.933Z
Modified
2025-11-20T10:15:09.800338Z
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

The rencode package through 1.0.6 for Python allows an infinite loop in typecode decoding (such as via ;\x2f\x7f), enabling a remote attack that consumes CPU and memory.

References

Affected packages

Debian:11 / python-rencode

Package

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

Affected ranges

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

Affected versions

1.*

1.0.6-1
1.0.6-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-40839.json"

Debian:12 / python-rencode

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.0.6-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-40839.json"

Debian:13 / python-rencode

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.0.6-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-40839.json"

Debian:14 / python-rencode

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.0.6-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-40839.json"