{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-12087/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-16T15:59:27.883Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-12087","@id":"https://www.cve.org/CVERecord?id=CVE-2026-12087","description":"Socket versions before 2.041 for Perl have an out-of-bounds heap read.\n\nIn Socket.xs, pack_ip_mreq_source() checks the length of its source argument before the argument is read, so the check tests the byte length carried over from the preceding multiaddr argument instead. Both addresses occupy a 4-byte field, so a valid multiaddr lets a source of any length pass the check, and the source is then copied into the 4-byte imr_sourceaddr field with a fixed-size copy. A source shorter than 4 bytes is "},"products":[{"@id":"cpe:2.3:a:pevans:socket:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:pevans:socket:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 2.041.","timestamp":"2026-06-16T15:59:27.883Z"}]}