medium5.3
CVE-2026-119131
Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service vulnerability in wasmtime-wasi-http that lets guests crash the host by send…
Impact
Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service vulnerability in wasmtime-wasi-http that lets guests crash the host by sending long request URLs. Guests can use set-path-with-query with a '?' after byte 65535, overflowing a u16 index in the http crate and triggering a host panic.
Affected products
| Product | Affected versions |
|---|---|
| Wasmtime 46.0.0 | before 48.0.6 |
| 49.0.0 | before 49.0.3 |
Versions were read from the advisory text. No structured product data has been published for this record yet.