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.
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History
Tue, 31 Mar 2026 03:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Botan: Missing OCSP Response Signature Verification Allows MitM Certificate Revocation Bypass | |
| Weaknesses | CWE-347 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-03-30T20:36:30.579Z
Reserved: 2026-03-16T21:03:44.421Z
Link: CVE-2026-32883
No data.
Status : Received
Published: 2026-03-30T21:17:09.933
Modified: 2026-03-30T21:17:09.933
Link: CVE-2026-32883
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OpenCVE Enrichment
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Weaknesses