CVE-2026-35195None▾ SunlitOut-of-bounds write or crash when transcoding component model strings
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0.1 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.3%
This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-394w-hwhg-8vgm For more information see the GitHub-hosted security advisory.
wasmtime >= 43.0.0, < 43.0.1Upgrade to a patched release:
wasmtime 43.0.1Connected by shared product, vendor, weakness, or advisory.
CVE-2026-34971NoneMiscompiled guest heap access enables sandbox escape on aarch64 Cranelift
CVE-2026-34941NoneHeap OOB read in component model UTF-16 to latin1+utf16 string transcoding
CVE-2026-35186NoneImproperly masked return value from `table.grow` with Winch compiler backend
CVE-2026-34987NoneWasmtime with Winch compiler backend may allow a sandbox-escaping memory access
CVE-2026-34983NoneUse-after-free bug after cloning `wasmtime::Linker`
CVE-2026-34942NonePanic when transcoding misaligned component model UTF-16 strings