{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-45542/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-10T15:16:16.137Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-45542","@id":"https://www.cve.org/CVERecord?id=CVE-2026-45542","description":"ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.6, 5.3.5, 5.4.4, 5.5.4, and 6.0, a heap buffer overflow exists in the Security Scheme 2 (SRP6a) session-setup path of the protocomm component. The first-phase handler (handle_session_command0() in components/protocomm/src/security/security2.c) trusts the length of a client-supplied protobuf field for the SRP6a username and copies it into a buffer whose size is derived from a narrower destination type. The re"},"products":[{"@id":"cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"No fixed version is published yet; monitor the upstream advisory.","timestamp":"2026-06-10T15:16:16.137Z"}]}