CVE-2026-32883
5.9
MEDIUM
CVSS 3.1
EPSS 0.01%
Description
Botan is a C++ cryptography library. From version 3.0.0 to before version 3.11.0, during X509 path validation, OCSP responses were checked for an appropriate status code, but critically omitted verifying the signature of the OCSP response itself. This issue has been patched in version 3.11.0.
How to fix CVE-2026-32883
To remediate CVE-2026-32883, upgrade the affected package to a fixed version below.
- Alpine/botan3—upgrade to 3.11.0-r0 or later
- —no fix listed
Is CVE-2026-32883 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.11.0-r0
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |