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Invalid drop of partially-initialized instances in wasmtime

Collected exploitation and prediction evidence

Risk source coverage

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

Open an individual CVE identifier to page its complete risk history.

Dated risk observations

Risk history is separate from CNA/OSV content history. Daily score drift is retained but only an upward crossing of 10% triggers the prediction change event.

Immutable source observations

24 recorded revisions

Each citation identifies one complete source statement. Source modification dates and the time this installation observed them are distinct. Latest history includes records historically associated by source identifiers; a removed alias is not a current equivalence claim. Exact citations show that source record's own earlier observations. Failed reads and unchanged polls do not rewrite history.

10 Nov 2026 00:10:26 UTC

Wasmtime is a standalone runtime for WebAssembly. There is a bug in Wasmtime's code generator, Cranelift, for AArch64 targets where constant divisors can result in incorrect division results at runtime. This affects Wasmtime prior to versio…

euvd · EUVD-2022-6282 · Published

9 Nov 2026 23:14:14 UTC

Wasmtime is an open source runtime for WebAssembly & WASI. Prior to versions 0.34.1 and 0.33.1, there exists a bug in the pooling instance allocator in Wasmtime's runtime where a failure to instantiate an instance for a module that defines …

euvd · EUVD-2022-0913 · Published

7 Nov 2026 23:56:27 UTC

Wasmtime is a standalone runtime for WebAssembly. There is a bug in Wasmtime's code generator, Cranelift, for AArch64 targets where constant divisors can result in incorrect division results at runtime. This affects Wasmtime prior to versio…

euvd · EUVD-2022-6282 · Published

7 Nov 2026 22:01:14 UTC

Wasmtime is an open source runtime for WebAssembly & WASI. Prior to versions 0.34.1 and 0.33.1, there exists a bug in the pooling instance allocator in Wasmtime's runtime where a failure to instantiate an instance for a module that defines …

euvd · EUVD-2022-0913 · Published

5 Nov 2026 22:57:36 UTC

Wasmtime is a standalone runtime for WebAssembly. There is a bug in Wasmtime's code generator, Cranelift, for AArch64 targets where constant divisors can result in incorrect division results at runtime. This affects Wasmtime prior to versio…

euvd · EUVD-2022-6282 · Published

5 Nov 2026 21:48:00 UTC

Wasmtime is an open source runtime for WebAssembly & WASI. Prior to versions 0.34.1 and 0.33.1, there exists a bug in the pooling instance allocator in Wasmtime's runtime where a failure to instantiate an instance for a module that defines …

euvd · EUVD-2022-0913 · Published

3 Nov 2026 22:02:15 UTC

Wasmtime is a standalone runtime for WebAssembly. There is a bug in Wasmtime's code generator, Cranelift, for AArch64 targets where constant divisors can result in incorrect division results at runtime. This affects Wasmtime prior to versio…

euvd · EUVD-2022-6282 · Published

3 Nov 2026 21:08:42 UTC

Wasmtime is an open source runtime for WebAssembly & WASI. Prior to versions 0.34.1 and 0.33.1, there exists a bug in the pooling instance allocator in Wasmtime's runtime where a failure to instantiate an instance for a module that defines …

euvd · EUVD-2022-0913 · Published

1 Nov 2026 21:02:22 UTC

Wasmtime is a standalone runtime for WebAssembly. There is a bug in Wasmtime's code generator, Cranelift, for AArch64 targets where constant divisors can result in incorrect division results at runtime. This affects Wasmtime prior to versio…

euvd · EUVD-2022-6282 · Published

1 Nov 2026 20:06:36 UTC

Wasmtime is an open source runtime for WebAssembly & WASI. Prior to versions 0.34.1 and 0.33.1, there exists a bug in the pooling instance allocator in Wasmtime's runtime where a failure to instantiate an instance for a module that defines …

euvd · EUVD-2022-0913 · Published

30 Oct 2026 20:46:34 UTC

Wasmtime is a standalone runtime for WebAssembly. There is a bug in Wasmtime's code generator, Cranelift, for AArch64 targets where constant divisors can result in incorrect division results at runtime. This affects Wasmtime prior to versio…

euvd · EUVD-2022-6282 · Published

30 Oct 2026 19:49:54 UTC

Wasmtime is an open source runtime for WebAssembly & WASI. Prior to versions 0.34.1 and 0.33.1, there exists a bug in the pooling instance allocator in Wasmtime's runtime where a failure to instantiate an instance for a module that defines …

euvd · EUVD-2022-0913 · Published

28 Oct 2026 17:51:44 UTC

Wasmtime is a standalone runtime for WebAssembly. There is a bug in Wasmtime's code generator, Cranelift, for AArch64 targets where constant divisors can result in incorrect division results at runtime. This affects Wasmtime prior to versio…

euvd · EUVD-2022-6282 · Published

28 Oct 2026 16:53:32 UTC

Wasmtime is an open source runtime for WebAssembly & WASI. Prior to versions 0.34.1 and 0.33.1, there exists a bug in the pooling instance allocator in Wasmtime's runtime where a failure to instantiate an instance for a module that defines …

euvd · EUVD-2022-0913 · Published

24 Oct 2026 21:19:36 UTC

Wasmtime is a standalone runtime for WebAssembly. There is a bug in Wasmtime's code generator, Cranelift, for AArch64 targets where constant divisors can result in incorrect division results at runtime. This affects Wasmtime prior to versio…

euvd · EUVD-2022-6282 · Published

24 Oct 2026 20:22:18 UTC

Wasmtime is an open source runtime for WebAssembly & WASI. Prior to versions 0.34.1 and 0.33.1, there exists a bug in the pooling instance allocator in Wasmtime's runtime where a failure to instantiate an instance for a module that defines …

euvd · EUVD-2022-0913 · Published

24 Oct 2026 20:17:30 UTC

Wasmtime is a standalone runtime for WebAssembly. There is a bug in Wasmtime's code generator, Cranelift, for AArch64 targets where constant divisors can result in incorrect division results at runtime. This affects Wasmtime prior to versio…

nvd · CVE-2022-31169 · Published

24 Oct 2026 19:17:49 UTC

Wasmtime is an open source runtime for WebAssembly & WASI. Prior to versions 0.34.1 and 0.33.1, there exists a bug in the pooling instance allocator in Wasmtime's runtime where a failure to instantiate an instance for a module that defines …

nvd · CVE-2022-23636 · Published

24 Oct 2026 13:19:54 UTC

Cranelift vulnerable to miscompilation of constant values in division on AArch64

osv · GHSA-7f6x-jwh5-m9r4 · Published

24 Oct 2026 13:19:54 UTC

Invalid drop of partially-initialized instances in the pooling instance allocator for modules with defined `externref` globals

osv · GHSA-88xq-w8cq-xfg7 · Published

24 Oct 2026 13:19:54 UTC

Invalid drop of VMExternRef from partially-initialized instances in the pooling instance allocator

osv · RUSTSEC-2022-0096 · Published

23 Oct 2026 15:48:27 UTC

Invalid drop of partially-initialized instances in wasmtime

cve-program · CVE-2022-23636 · Published

23 Oct 2026 15:48:27 UTC

Cranelift vulnerable to miscompilation of constant values in division on AArch64

cve-program · CVE-2022-31169 · Published

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 10 Nov 09:28 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current