RUSTSEC-2026-0006Published

Wasmtime segfault or unused out-of-sandbox load with f64.copysign operator on x86-64

cve-program · CVE-2026-24116

Published

wasmtime

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "bytecodealliance",
                    "product": "wasmtime",
                    "versions": [
                        {
                            "version": ">= 29.0.0, < 36.0.5",
                            "status": "affected"
                        },
                        {
                            "version": ">= 37.0.0, < 40.0.3",
                            "status": "affected"
                        },
                        {
                            "version": "= 41.0.0",
                            "status": "affected"
                        }
                    ]
                }

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

euvd · EUVD-2026-4773

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: Jan 27, 2026, 6:58:52 PM

dateUpdated: Jan 27, 2026, 7:23:09 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-2026-24116

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-125

Original publisher date fields

published: 2026-01-27T19:16:16.180

lastModified: 2026-06-17T10:22:39.380

1 source CPE criteria · context only

cpe:2.3:a:bytecodealliance:wasmtime:*:*:*:*:*: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-vc8c-j3xm-xj73

Published

wasmtime

crates.io

SEMVER · introduced 29.0.0 → fixed 36.0.5

wasmtime

crates.io

SEMVER · introduced 37.0.0 → fixed 40.0.3

wasmtime

crates.io

SEMVER · introduced 41.0.0 → fixed 41.0.1

1 explicitly affected versions

41.0.0

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

osv · RUSTSEC-2026-0006

Published

wasmtime

crates.io

SEMVER · introduced 29.0.0 → fixed 36.0.5 → introduced 37.0.0 → fixed 40.0.3 → introduced 41.0.0 → fixed 41.0.1

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