CVE-2022-48566

MediumCVSS 5.9/10Last modified Jun 17, 2026

Description

An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.compare_digest.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-362

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://bugs.python.org/issue40791Exploit, Issue Tracking, Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/09/msg00022.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00017.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20231006-0013/Third Party Advisory
https://bugs.python.org/issue40791Exploit, Issue Tracking, Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/09/msg00022.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00017.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20231006-0013/Third Party Advisory

Timeline

Published: Aug 22, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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