{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-43973/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-08T16:35:01.405Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-43973","@id":"https://www.cve.org/CVERecord?id=CVE-2026-43973","description":"Uncontrolled Resource Consumption vulnerability in ninenines gun (gun_http module) allows a malicious server to exhaust client memory via unbounded HTTP/1.1 response buffering.\n\nIn gun_http:handle/5, three clauses accumulate incoming TCP data into the connection's buffer field using binary concatenation with no upper-bound check: the head clause appends data until the \\r\\n\\r\\n header terminator is found; the body_chunked clause appends data whenever cow_http_te:stream_chunked/2 returns a more re"},"products":[{"@id":"cpe:2.3:a:ninenines:gun:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:ninenines:gun:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 2.4.0, f3e7e0568b3c4cf9fa4bea79d5116e67ce76ad25.","timestamp":"2026-06-08T16:35:01.405Z"}]}