RUSTSEC-2026-0325None▾ SunlitMis-typed WebAssembly tag imports can lead to GC heap corruption
▾ 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-cfhf-m2cr-62wj 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.
RUSTSEC-2026-0327NoneWasmtime component async-lifted callback result count is unvalidated, causing a native stack buffer overflow
RUSTSEC-2026-0326Medium· 5.7Rooting for GC values live across `try_call` may be missing, causing GC heap corruption
CVE-2026-104855Low· 2.0Wasmtime is a runtime for WebAssembly
RUSTSEC-2026-0316NoneDynamic record lifting can allocate beyond the hostcall fuel limit
RUSTSEC-2026-0315Medium· 5.7`call_ref` and exception `catch` can drop some fuel accounting, leading to exponential fuel amplification
RUSTSEC-2026-0269NoneFilesystem sandbox escape when paths or symlinks contain trailing slashes