Unknown severity · Source severity not reportedCVE-2022-31169GHSA-7F6X-JWH5-M9R4

Invalid drop of VMExternRef from partially-initialized instances in the pooling instance allocatorCVE-2022-31169

Answer in brief

CVE-2022-31169 records a Unknown severity vulnerability in Invalid drop of VMExternRef from partially-initialized instances in the pooling instance allocator. The current sources do not mark it as known exploited. The current feed maps wasmtime (crates.io), wasmtime (crates.io). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Feb 17, 2022Updated Oct 12, 2026Source checked Oct 12, 2026First seen by HOL Oct 12, 2026Material review Oct 12, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps wasmtime (crates.io), wasmtime (crates.io). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
wasmtimecrates.io	>=0.0.0-0 <0.33.1 >=0.34.0 <0.34.1	0.33.1, 0.34.1
wasmtimecrates.io	>=0.0.0-0 <0.38.2	0.38.2

Recommended response

Check inventory. Check lockfiles and deployed manifests for wasmtime, wasmtime.
Review the reported fix. Update wasmtime to 0.33.1; wasmtime to 0.38.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Feb 17, 2022
Evidence: source:osv:source_dates:source-dates:record
Source modified
Oct 12, 2026
Evidence: source:osv:source_dates:source-dates:record
First seen by HOL
Oct 12, 2026

Sources and claim methodology

Upstream source description

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-88xq-w8cq-xfg7. For more information see the GitHub-hosted security advisory.

Quoted source text, attributed separately from HOL analysis.

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps wasmtime (crates.io), wasmtime (crates.io). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
wasmtimecrates.io	>=0.0.0-0 <0.33.1 >=0.34.0 <0.34.1	0.33.1, 0.34.1
wasmtimecrates.io	>=0.0.0-0 <0.38.2	0.38.2

Sources and claim methodology

Upstream source description

Quoted source text, attributed separately from HOL analysis.