| Name | CVE-2021-24115 |
| Description | In Botan before 2.17.3, constant-time computations are not used for certain decoding and encoding operations (base32, base58, base64, and hex). |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| botan (PTS) | buster | 2.9.0-2 | vulnerable |
| bullseye | 2.17.3+dfsg-2 | fixed |
| bookworm | 2.19.3+dfsg-1 | fixed |
| sid, trixie | 2.19.5+dfsg-3 | fixed |
| botan1.10 (PTS) | jessie, jessie (lts) | 1.10.8-2+deb8u2 | vulnerable |
| stretch (security), stretch (lts), stretch | 1.10.17-1+deb9u1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| botan | source | (unstable) | 2.17.3+dfsg-1 | | | |
| botan1.10 | source | jessie | (unfixed) | end-of-life | | |
| botan1.10 | source | stretch | (not affected) | | | |
| botan1.10 | source | (unstable) | (unfixed) | | | |
Notes
[buster] - botan <no-dsa> (Minor issue)
[stretch] - botan1.10 <not-affected> (Vulnerable code not present)
https://github.com/randombit/botan/pull/2549