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5.9 Medium

CVE-2026-32883 Botan is a C++ cryptography library

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.

Affected products and versions

Product Affected versions Fixed in
Botan 3.0 3.0.0 → < 3.11.0 3.11.0

Other CVEs of Botan

The 15 CVEs of Botan →
CVE-2026-118769 Botan is a C++ cryptography library 9.2 Critical CVE-2026-118768 Botan is a C++ cryptography library 5.9 Medium CVE-2026-118767 Botan is a C++ cryptography library 4.8 Medium CVE-2026-118766 Botan: Online OCSP redirects enable blind requests to internal HTTP services 6.1 Medium
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