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EUVD-2026-352009

fkie_cve-2026-19484

@fastify/busboy is a multipart form-data parser. In versions 3.1.0 through 3.2.0, a remote unauthenticated attacker can stall the Node.js event loop by sending a multipart request whose boundary is crafted to a specific length. The vendored streaming search stores its skip table in a fixed 256 entry byte array, and a boundary of exactly 252 bytes makes the search needle 256 bytes, which truncates the default skip distance to zero and turns the search into a CPU bound loop on a small body. A single small request can keep one core busy and deny service to other requests handled by the same process. The issue is fixed in @fastify/busboy 3.2.1, which widens the skip table so the skip distance is preserved. Users should upgrade to 3.2.1.

GHSA-xjh9-v7x6-24jw — @fastify/busboy vulnerable to Denial of Service via oversized multipart boundary

Affected: npm: @fastify/busboy

### Impact

Versions of `@fastify/busboy` from 3.1.0 and prior to 3.2.1 are vulnerable to a Denial of Service. The vendored streaming multipart search stores its default skip distance in a `Uint8Array(256)`. A multipart boundary of exactly 252 bytes makes the search needle 256 bytes, and the table entry wraps to zero, so a crafted request keeps the search in a CPU-bound loop and stalls the Node.js event loop. An unauthenticated client can trigger this with a single small request. Applications that use `@fastify/busboy` to parse multipart/form-data, directly or through `@fastify/multipart`, are affected.

### Patches

Fixed in version 3.2.1.

### Workarounds

Validate the multipart boundary before parsing and reject any boundary longer than the RFC 2046 limit of 70 characters (for example at a reverse proxy or in an onRequest hook). Upgrading to 3.2.1 removes the issue.

RHSA-2026:84734 — Red Hat Security Advisory: RHOAI 3.4.5 - Red Hat OpenShift AI

Cohere North AI: Cohere North AI: Arbitrary user information overwrite via incorrect access control Cohere North AI: Cohere North AI: Information disclosure via improper Origin header validation Cohere North AI: Cohere North AI: Information Leak via WebSocket Endpoint urllib3: urllib3 Streaming API improperly handles highly compressed data python-transformers: python-transformers: Arbitrary code execution due to overridden trust_remote_code setting fast-uri: fast-uri: URI authority bypass due to improper delimiter handling undici: undici: Information disclosure and data integrity issues due to incorrect Socks5ProxyAgent connection routing python-pip: Path traversal via malicious entry point name in pip wheel installation allows arbitrary file overwrite urllib3: urllib3: Denial of Service via decompression bomb bypass with Brotli support org.eclipse.parsson/parsson: Eclipse Parsson: Denial of Service via uncontrolled resource consumption in JSON parsing undici: undici: Man-in-the-Middle attack via ignored TLS options with SOCKS5 proxy jetty-security: Eclipse Jetty: Authentication bypass via Digest authentication encoding collision jetty: Eclipse Jetty: Information disclosure due to retained HTTP/1.1 trailers across connections sqlite: SQLite: Arbitrary code execution via crafted FTS5 full-text search data sqlite: SQLite: Arbitrary code execution and crash via heap-based buffer overflow in FTS5 form-data: form-data: Form field override via CRLF injection undici: undici: Denial…