VDB
CVE-2021-40839
CVE-2021-40839
PUBLISHED
CVSS 5 MEDIUM
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.
EPSS 17.29% · 95.2th percentile
Risk Scores
CVSS v2.0
5
EPSS Score
17.29%
95.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| PyPI | rencode | 0 |
| rencode_project | rencode | 0 |
| fedoraproject | fedora | 34, 35 |
| n/a | n/a | n/a |
Timeline
- Sep 10, 2021 EPSS Score
- Sep 10, 2021 CVE Published
- Nov 7, 2021 EPSS Score
- Jan 3, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 2, 2022 EPSS Score
- Apr 28, 2022 EPSS Score
- Aug 23, 2022 EPSS Score
- Oct 19, 2022 EPSS Score
- Feb 11, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Jun 6, 2023 EPSS Score
References
- https://github.com/aresch/rencode/pull/29 url
- https://seclists.org/fulldisclosure/2021/Sep/16 url
- https://github.com/aresch/rencode/commit/572ff74586d9b1daab904c6f7f7009ce0143bb75 url
- https://pypi.org/project/rencode/#history url
- https://security.netapp.com/advisory/ntap-20211008-0001/ url
- FEDORA-2022-02340931ec vendor-advisory
- FEDORA-2022-1033a2718b vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-40839 advisory
- https://github.com/advisories/GHSA-gh8j-2pgf-x458 advisory
- https://github.com/aresch/rencode package
- https://github.com/pypa/advisory-database/tree/main/vulns/rencode/PYSEC-2021-345.yaml url
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BMVQRPDVSVZNGGX57CFKCYT3DEYO4QB6 url
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MCLETLGVM5DBX6QNHQFW6TWGO5T3DENY url
- https://security.netapp.com/advisory/ntap-20211008-0001 url