{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-42765/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-10T07:48:00.427Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-42765","@id":"https://www.cve.org/CVERecord?id=CVE-2026-42765","description":"Issue summary: When a partial-chain certificate verification is enabled\ntogether with OCSP response checking for the whole chain, a NULL dereference\nwill happen if the verified chain does not have a self-signed trusted anchor,\ncrashing the process.\n\nImpact summary: A NULL pointer dereference can trigger a crash which leads to a\nDenial of Service for an application.\n\nWhen performing OCSP response checking for certificates in the verification\nchain, the code always tries to access the next certifi"},"products":[{"@id":"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 3.6.3, 4.0.1.","timestamp":"2026-06-10T07:48:00.427Z"}]}