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{"bugzilla": {"description": "wasmtime: wasmtime: Denial of Service via zero timeout in HTTP request option", "id": "2559268", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2559268"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-248", "details": ["A flaw was found in Wasmtime. A guest WebAssembly application can trigger a Denial of Service (DoS) by specifying a zero timeout value in an HTTP request option. Because the runtime fails to validate this configuration before passing it to an underlying system library, an internal panic occurs that crashes the host process."], "name": "CVE-2026-115382", "package_state": [{"cpe": "cpe:/a:redhat:connectivity_link:1", "fix_state": "Fix deferred", "package_name": "rhcl-1/wasm-shim-rhel9", "product_name": "Red Hat Connectivity Link 1"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "tree-sitter", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "virt-firmware-rs", "product_name": "Red Hat Enterprise Linux 10"}], "public_date": "2026-10-22T19:13:49Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-115382\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-115382\nhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-w4qr-p94g-mjhv\nhttps://www.vulncheck.com/advisories/wasmtime-46.0.0-before-48.0.4-and-49.0.0-before-49.0.2-wasi-http-zero-timeout-panic-dos"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[46.0.0,48.0.4)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "48.0.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[49.0.0,49.0.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "49.0.2"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "wasmtime", "source": "cna", "vendor": "bytecodealliance"}, "product": "wasmtime", "vendor": "bytecodealliance"}], "created": "2026-10-23T04:00:12.767898+00:00", "updated": "2026-10-23T06:15:12.723372+00:00", "vendors": ["bytecodealliance", "bytecodealliance$PRODUCT$wasmtime"]}