CVE-2021-40839

Source
https://cve.org/CVERecord?id=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
Published
2021-09-10T02:15:07Z
Modified
2026-05-16T04:03:11Z
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.

Database specific
{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "last_affected":  "34"
                },
                {
                    "last_affected":  "35"
                }
            ],
            "source":  "CPE_FIELD",
            "vendor_product":  "fedoraproject:fedora"
        }
    ]
}
References

Affected packages