botan3: Botan is a C++ cryptography library
CVE-2026-118768 is fixed in botan3 on 1 platform by DEBIAN-CVE-2026-118768 (version 3.13.0+dfsg-2), released October 31, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Botan is a C++ cryptography library. From 1.11.34 until 3.13.0, the botan ocsp_check command requested an OCSP response from a certificate's Authority Information Access URL without verifying the response signature or authorizing the signer. A malicious responder or on-path attacker could return a matching and timely GOOD response with an empty, invalid, or unauthorized signature, causing a revoked certificate to produce exit status 0 and OCSP check OK output. Only the command-line interface is affected. This issue is fixed in version 3.13.0.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| botan3 · Debian 14 | 3.13.0+dfsg-2 | DEBIAN-CVE-2026-118768 | Oct 31, 2026 |
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