Unrated severityNVD Advisory· Published Jul 27, 2026
Debian wolfssl: OCSP CertID serial-number length-confusion in wolfSSL_OCSP_resp_find_status allo…
CVE-2026-10098
Description
OCSP CertID serial-number length-confusion in wolfSSL_OCSP_resp_find_status allows a same-issuer SingleResponse whose serial is a prefix of the target serial to be reported as the revocation status of a different certificate. The lookup compared serial-number bytes without first requiring the two serial numbers to be of equal length, so a SingleResponse for one certificate (same issuer) whose serial is a prefix of the target's serial would match, returning the wrong certificate's status. The fix requires the serial lengths to be equal before comparing the serial bytes.
Affected products
2Patches
Vulnerability mechanics
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