EUVD-2025-201826Published

Wasmi's Linear Memory has a Critical Use After Free Vulnerability

cve-program · CVE-2025-66627

Published

wasmi

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "wasmi-labs",
                    "product": "wasmi",
                    "versions": [
                        {
                            "version": ">= 0.41.0, < 0.41.2",
                            "status": "affected"
                        },
                        {
                            "version": ">= 0.42.0, < 0.47.1",
                            "status": "affected"
                        },
                        {
                            "version": ">= 0.50.0, < 0.51.3",
                            "status": "affected"
                        },
                        {
                            "version": ">= 1.0.0, < 1.0.1",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2025-201826

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Dec 9, 2025, 2:52:46 AM

dateUpdated: Dec 9, 2025, 3:21:18 PM

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

nvd · CVE-2025-66627

Published

NVD 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: Analyzed

Weakness classifications: CWE-416

Original publisher date fields

published: 2025-12-09T16:18:21.910

lastModified: 2026-10-14T21:10:00.183

2 source CPE criteria · context only

cpe:2.3:a:wasmi-labs:wasmi:*:*:*:*:*:rust:*:*
cpe:2.3:a:wasmi-labs:wasmi:1.0.0:*:*:*:*:rust:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-g4v2-cjqp-rfmq

Published

wasmi

crates.io

SEMVER · introduced 0.41.0 → fixed 0.41.2

wasmi

crates.io

SEMVER · introduced 0.42.0 → fixed 0.47.1

wasmi

crates.io

SEMVER · introduced 0.50.0 → fixed 0.51.3

wasmi

crates.io

SEMVER · introduced 1.0.0 → fixed 1.0.1

Original source record · Cite this exact observation · Complete original publisher JSON