CVE-2021-40839

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Source
https://cve.org/CVERecord?id=CVE-2021-40839
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-40839.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-40839
Aliases
Downstream
Related
Published
2021-09-10T02:15:07.933Z
Modified
2026-03-10T23:45:45.095903Z
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

Git / github.com/aresch/rencode

Affected ranges

Type
GIT
Repo
https://github.com/aresch/rencode
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
53d72ac53d9df007aad3a980f049a80d81836619
Fixed
572ff74586d9b1daab904c6f7f7009ce0143bb75
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.0.6"
        }
    ]
}

Affected versions

v1.*
v1.0
v1.0.3
v1.0.4
v1.0.5
v1.0.6

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "34"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "35"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-40839.json"