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Vulnerabilities / CVE-2021-24115

critical

CVE-2021-24115

In Botan before 2.17.3, constant-time computations are not used for ce ...

Published Modified
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD.

Description

In Botan before 2.17.3, constant-time computations are not used for certain decoding and encoding operations (base32, base58, base64, and hex).

Affected packages and fixed versions

SourcePackageFixed in
alpine 3.11botan2.11.0-r4
alpine 3.12botan2.11.0-r6
alpine 3.13botan2.11.0-r6
alpine 3.14botan2.17.3-r0
alpine 3.15botan2.17.3-r0
alpine 3.16botan2.17.3-r0
alpine 3.17botan2.17.3-r0
alpine 3.18botan2.17.3-r0
alpine 3.19botan2.17.3-r0
alpine 3.20botan2.17.3-r0
alpine 3.21botan2.17.3-r0
conan::GitLab Advisory Database Communitybotan2.17.3
Show all 23 entries from 20 sources
SourcePackageFixed in
alpine 3.11botan2.11.0-r4
alpine 3.12botan2.11.0-r6
alpine 3.13botan2.11.0-r6
alpine 3.14botan2.17.3-r0
alpine 3.15botan2.17.3-r0
alpine 3.16botan2.17.3-r0
alpine 3.17botan2.17.3-r0
alpine 3.18botan2.17.3-r0
alpine 3.19botan2.17.3-r0
alpine 3.20botan2.17.3-r0
alpine 3.21botan2.17.3-r0
conan::GitLab Advisory Database Communitybotan2.17.3
debian 10botanno fix listed
debian 11botan2.17.3+dfsg-1
debian 12botan2.17.3+dfsg-1
debian 13botan2.17.3+dfsg-1
echobotan2.17.3+dfsg-1
rapidfort fedora 43botan1.10.17-51.fc43
rapidfort fedora 43botan-devel1.10.17-51.fc43
rapidfort fedora 43botan-doc1.10.17-51.fc43
rapidfort fedora 43python3-botan1.10.17-51.fc43
root.io alpine 3.19rootio-botan2.17.3-r0
root.io alpine 3.20rootio-botan2.17.3-r0

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.