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{"bugzilla": {"description": "wasmtime: wasmtime: Denial of Service via fuel accounting flaw", "id": "2559257", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2559257"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["A flaw was found in Wasmtime. This vulnerability allows an untrusted guest program to cause a Denial of Service (DoS) by bypassing execution limits. Due to an accounting flaw in Cranelift-compiled execution paths, a guest can reset consumed execution units (known as fuel) after specific function calls. Consequently, the guest module can run far longer than allocated, evading timeouts and exhausting host computing resources."], "name": "CVE-2026-115390", "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": "2026-10-22T19:13:55Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-115390\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-115390\nhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-m63x-6p34-q65x\nhttps://www.vulncheck.com/advisories/wasmtime-47.0.0-before-48.0.3-and-49.0.0-before-49.0.1-fuel-accounting-bypass-dos"], "threat_severity": "Moderate"}

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