CVE-2021-40839
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-40839
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-40839.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-40839
- Aliases
- Downstream
- Related
- Published
- 2021-09-10T02:15:07.933Z
- Modified
- 2025-11-14T12:21:12.609848Z
- 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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BMVQRPDVSVZNGGX57CFKCYT3DEYO4QB6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MCLETLGVM5DBX6QNHQFW6TWGO5T3DENY/
- 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://security.netapp.com/advisory/ntap-20211008-0001/