CVE-2026-103472 — restbed through 5.0.0 WebSocket Memory Exhaustion via Unbounded Frame Buffering
restbed through 5.0.0 accepts WebSocket frames with declared payload lengths up to 2^63 bytes and buffers the payload without size limits in an unbounded stream buffer. Remote u…
Published: 2026-09-30 · CVSS: 8.7 · CVSS 4.0
restbed through 5.0.0 accepts WebSocket frames with declared payload lengths up to 2^63 bytes and buffers the payload without size limits in an unbounded stream buffer. Remote unauthenticated attackers can declare large frame sizes and stream payload data to exhaust server memory, causing denial of service through process crash.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7