CVE-2026-10098

MEDIUM

OCSP CertID serial-number length-confusion in wolfSSL_OCSP_resp_find_status

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 5.3
EPSS 0.0012
EPSS Percentile 2.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-295
Status published
Products (2)
wolfSSL/wolfSSL 4.6.0 - 5.9.1
wolfssl/wolfssl 4.6.0 - 5.9.2
Published Jun 25, 2026
Tracked Since Jun 26, 2026