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FreeBSD: VID-70D0D2EC-CB62-11ED-956F-7054D21A9E2A (CVE-2021-40839): py39-rencode -- infinite loop that could lead to Denial of Service

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FreeBSD: VID-70D0D2EC-CB62-11ED-956F-7054D21A9E2A (CVE-2021-40839): py39-rencode -- infinite loop that could lead to Denial of Service

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
09/09/2021
Created
05/05/2023
Added
04/14/2023
Modified
04/14/2023

Description

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.

Solution(s)

  • freebsd-upgrade-package-py39-rencode

References

  • CVE-2021-40839

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