RUSTSEC-2026-0327None▾ SunlitWasmtime component async-lifted callback result count is unvalidated, causing a native stack buffer overflow
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-32h6-97mm-8q3c For more information see the GitHub-hosted security advisory.
wasmtime >= 49.0.0, < 49.0.2Upgrade to a patched release:
wasmtime 49.0.2Connected by shared product, vendor, weakness, or advisory.
CVE-2026-115384Critical· 9.9Wasmtime 39.0.0 before 48.0.4 and 49.0.0 before 49.0.2 Stack Buffer Overflow
CVE-2026-115383Medium· 4.8Mis-typed WebAssembly tag imports can lead to GC heap corruption
RUSTSEC-2026-0325NoneMis-typed WebAssembly tag imports can lead to GC heap corruption
RUSTSEC-2026-0424NoneUnchecked memory usage in transferring borrowed resources between components
RUSTSEC-2026-0423NoneCross-engine type confusion with host-created struct-types-with-supertypes
RUSTSEC-2026-0422Low· 1.8Typed functions with `i31` or `nullref` arguments may panic due to insufficient type-check