Description
In Botan before 2.19.3, it is possible to forge OCSP responses due to a certificate verification error. This issue was introduced in Botan 1.11.34 (November 2016).
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 13 | botan | 2.19.3+dfsg-1 | — |
| Debian 12 | botan | 2.19.3+dfsg-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | botan | No fix yet | — |
| Ubuntu 18.04 LTS | botan | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | botan | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP4 | Botan | 2.18.2-bp154.2.3.1 | openSUSE-SU-2022:10211-1 |
| SUSE Package Hub 15 SP3 | Botan | 2.10.0-bp153.3.3.1 | openSUSE-SU-2022:10210-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | Botan | 2.19.3-1.1 | openSUSE-SU-2024:12522-1 |
| openSUSE Leap 15.4 | Botan | 2.18.2-bp154.2.3.1 | openSUSE-SU-2022:10211-1 |
| openSUSE Leap 15.3 | Botan | 2.10.0-bp153.3.3.1 | openSUSE-SU-2022:10210-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | botan2 | No fix yet | — |
Advisories 3
- openSUSE-SU-2024:12522-1 Botan-2.19.3-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:10210-1 Security update for Botan SUSE / openSUSE Security Updates · May 7, 2025
- openSUSE-SU-2022:10211-1 Security update for Botan SUSE / openSUSE Security Updates · May 7, 2025