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Critical 9.2
Botan: Integer overflow when reporting block size in FFI can cause memory corruption
Botan is a C++ cryptography library. From 2.1.0 until 3.13.0, the Botan C API function botan_block_cipher_block_size converted a size_t block size to int without a bounds check. In an application that accepts external algorithm parameter strings and uses the …
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Critical 9.3
Botan has a certificate authentication bypass due to trust anchor confusion
Botan is a C++ cryptography library. In 3.11.0, the function Certificate_Store::certificate_known had a misleading name; it would return true if any certificate in the store had a DN (and subject key identifier, if set) matching that of the argument. It did n…
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Critical 9.1
In Botan before 2.19.3, it is possible to forge OCSP responses due to a certificate verification error. This issue was …