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CVE-2026-115386 Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains an information disclosure vulnerability…

Description

Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains an information disclosure vulnerability in the WASIp1 fd_readdir implementation that copies uninitialized struct padding into guest memory. Guests with a preopened directory can list entries to receive three bytes of leftover host stack or heap memory per directory entry.

Produits et versions touchés

Produit Versions touchées Corrigé en
wasmtime 49.0 49.0.0 → < 49.0.2 49.0.2
wasmtime 48.0 premières → < 48.0.4 48.0.4
wasmtime 37.0 37.0.0 → < 48.0.4 48.0.4
wasmtime 36.0 premières → < 36.0.17 36.0.17

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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