5.3Mittel
CVE-2026-119131Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 Host Panic via wasi-http
Beschreibung
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.
Schwachstellentyp (CWE):
CWE-190
Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.
Betroffene Produkte und Versionen
| Hersteller | Produkt | Versionen | |
|---|---|---|---|
| bytecodealliance | wasmtime | 46.0.0 – < 48.0.6, fixed 48.0.6, 49.0.0 – < 49.0.3, fixed 49.0.3 |
Referenzen und Patches
- GitHub Security Advisory (GHSA-w36r-2hch-9xp9) vendor-advisory
- VulnCheck Advisory: Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 Host Panic via wasi-http third-party-advisory