Wasmtime is a runtime for WebAssembly. Prior to 36.0.19 and 43.0.0, the Cranelift compiler backend bit-packs SSA value indices in a way that can silently overflow in release builds when compiling a sufficiently large or specially crafted Wa…
Exact source revision recorded 27 Oct 2026 06:23:27 UTC. It does not establish the source's current position. Latest evidence.
nvd · CVE-2026-115889
PublishedNVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.
Source analysis status: Deferred
Weakness classifications: CWE-197 · CWE-843
Original publisher date fields
published: 2026-10-23T22:16:58.400
lastModified: 2026-10-26T18:17:38.213
No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.
Original source record · Cite this exact observation · Complete original publisher JSON