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6.5 Moyenne

CVE-2026-58494 Wasmtime is a runtime for WebAssembly

Description

Wasmtime is a runtime for WebAssembly. Prior to 24.0.11, 36.0.12, 45.0.3, and 46.0.1, wasmtime-wasi hard-link creation and renaming check directory permissions but not matching FilePerms on source and destination preopens, allowing a WASI guest with a read-only source file capability to overwrite host files exposed as FilePerms::READ through wasip1, wasip2, or wasip3 filesystem interfaces. This issue is fixed in versions 24.0.11, 36.0.12, 45.0.3, and 46.0.1.

Produits et versions touchés

Produit Versions touchées Corrigé en
wasmtime 46.0 46.0.0 → < 46.0.1 46.0.1
wasmtime 37.0 37.0.0 → < 45.0.3 45.0.3
wasmtime 25.0 25.0.0 → < 36.0.12 36.0.12
wasmtime 24.0 premières → < 24.0.11 24.0.11

Autres CVE de wasmtime

Les 81 CVE de wasmtime →
CVE-2026-121441 Wasmtime before 36.0.19, 37.0.0 before 48.0.7, and 49.0.0 before 49.0.4 contains a request smuggling vulnerability in… 6.3 Moyenne CVE-2026-121440 Wasmtime 46.0.0 before 48.0.7 and 49.0.0 before 49.0.4 fails to check forwarded trailers against the… 6.3 Moyenne CVE-2026-121439 Wasmtime 46.0.0 before 48.0.7 and 49.0.0 before 49.0.4 contains a response splitting vulnerability in wasi-http p3… 6.9 Moyenne CVE-2026-119143 Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 Panic via Zero-Length Stream Writes 5.9 Moyenne
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