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Wasmtime before 36.0.16, 37.0.0 before 48.0.3, and 49.0.0 before 49.0.1 Host Panic via WASI Filesystem Timestamp Overflow

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-115387

Published

wasmtime

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "bytecodealliance",
                    "product": "wasmtime",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:cargo/wasmtime-wasi",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "36.0.16"
                        },
                        {
                            "version": "36.0.16",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "37.0.0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "48.0.3"
                        },
                        {
                            "version": "48.0.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "49.0.0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "49.0.1"
                        },
                        {
                            "version": "49.0.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }
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 26 Oct 06:23 UTC · 272 of 272 readable · 270 fully read · documentation 469/469 current