UBUNTU-CVE-2021-40839
- Source
- https://ubuntu.com/security/CVE-2021-40839
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-40839.json
- JSON Data
- https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-40839
- Related
- Published
- 2021-09-10T02:15:00Z
- Modified
- 2024-10-15T14:08:25Z
- 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
-
- https://ubuntu.com/security/CVE-2021-40839
- https://github.com/aresch/rencode/commit/572ff74586d9b1daab904c6f7f7009ce0143bb75
- https://github.com/aresch/rencode/pull/29
- https://pypi.org/project/rencode/#history
- https://seclists.org/fulldisclosure/2021/Sep/16
- https://www.cve.org/CVERecord?id=CVE-2021-40839
Affected packages
Ubuntu:Pro:16.04:LTS / python-rencode
Package
- Name
- python-rencode
- Purl
- pkg:deb/ubuntu/python-rencode?arch=src?distro=esm-apps/xenial
Ubuntu:Pro:18.04:LTS / python-rencode
Package
- Name
- python-rencode
- Purl
- pkg:deb/ubuntu/python-rencode?arch=src?distro=esm-apps/bionic
Ubuntu:20.04:LTS / python-rencode
Package
- Name
- python-rencode
- Purl
- pkg:deb/ubuntu/python-rencode?arch=src?distro=focal