In Botan before 2.17.3, constant-time computations are not used for certain decoding and encoding operations (base32, base58, base64, and hex).
https://github.com/randombit/botan/pull/2549
https://github.com/randombit/botan/compare/2.17.2...2.17.3
https://botan.randombit.net/news.html
Source: Mitre, NVD
Published: 2021-02-22
Updated: 2021-02-26
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical