CVE Watch4 de nov. de 2026

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 cra

CVSS

5.3

Média

EPSS

0.3%

p23

KEV

—

Exploit Today

0-100

Publicado: 29 de out. de 2026 · Última mod.: 4 de nov. de 2026 · CWE-190

EPSS · 30d

0.3%EPSS · 30 dias0.3%

2026-10-302026-11-07

Descrição técnica

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.

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