{"schema":"threatline.record/2","record":{"id":"CVE-2026-102463","aliases":["GHSA-xqmh-8fhj-48fp"],"summary":"In Eclipse Vert.x versions [4.0.0, 4.5.34] or [5.0.0,5.0.12] or [5.1.0,5.1.9] or [5.2.0, 5.2.0], the binary array decoder in vertx-pg-client (DataTypeCodec.binaryDecodeArray) allocates a Java array si","details":"In Eclipse Vert.x versions [4.0.0, 4.5.34] or [5.0.0,5.0.12] or [5.1.0,5.1.9] or [5.2.0, 5.2.0], the binary array decoder in vertx-pg-client (DataTypeCodec.binaryDecodeArray) allocates a Java array sized by a server-declared 32-bit dimension count with no upper bound. A malicious or compromised PostgreSQL server, or an on-path attacker intercepting an unencrypted connection, can send a crafted DataRow message with an excessively large array dimension value, causing the client to attempt a multi-gigabyte heap allocation and crash with an OutOfMemoryError.\n\n\n\nThe impacted component is io.vertx:vertx-pg-client.","categories":["Unclassified"],"product":"Eclipse Vert.x","vendor":"Eclipse Foundation","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102463","source_modified_at":"2026-10-15T14:27:43.560Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Eclipse Vert.x","vendor":"Eclipse Foundation","versions":[{"status":"affected","version":"4.0.0","lessThanOrEqual":"4.5.34","versionType":"semver"},{"status":"affected","version":"5.0.0","lessThanOrEqual":"5.0.12","versionType":"semver"},{"status":"affected","version":"5.1.0","lessThanOrEqual":"5.1.9","versionType":"semver"},{"status":"affected","version":"5.2.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":8.2,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00306,"percentile":0.22188,"score_date":"2026-10-23"},"published_at":"2026-10-15T08:13:41.485Z","modified_at":"2026-10-15T14:27:43.560Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-102463","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-15T14:27:43.560Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-102463","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/eclipse-vertx/vertx-sql-client/security/advisories/GHSA-xqmh-8fhj-48fp"},{"source":"CVE List","url":"https://gitlab.eclipse.org/security/cve-assignment/-/work_items/345"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-15T14:27:24.726424Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-15T14:27:43.560Z","content_hash":"7bd8f6be0a2f4389222e24233516cbc23c3219ee1334cf9eee683e043a011b82"}}