UBUNTU-CVE-2026-32883

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...

CVE-2026-32883

CVE-2026-32883 affects the Botan C++ cryptography library. From version 3.0.0 through before 3.11.0, during X509 path validation, OCSP responses were checked for a valid status but the OCSP response signature itself was not verified, enabling a potential Man‑in‑the‑Middle in certificate revocatio...

PT-2026-29125

Name of the Vulnerable Software and Affected Versions Botan versions 3.0.0 through 3.10.9 Description Botan is a C++ cryptography library. During X509 path validation, versions prior to 3.11.0 did not verify the signature of Online Certificate Status Protocol OCSP responses, only checking for an...