CVE-2026-115393

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{"bugzilla": {"description": "wasmtime: wasmtime: Memory corruption via cross-engine object validation failure", "id": "2559290", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2559290"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-843", "details": ["A flaw was found in Wasmtime. Several Store application programming interfaces (APIs) fail to verify that objects belong to the expected execution engine. If an embedding application mixes objects between different engines, this type confusion can lead to memory corruption, including out-of-bounds stack writes, or cause crashes resulting in a Denial of Service (DoS)."], "name": "CVE-2026-115393", "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": "2026-10-22T19:13:59Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-115393\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-115393\nhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hgjw-h833-99q9\nhttps://www.vulncheck.com/advisories/wasmtime-before-24.0.12-25.0.0-before-36.0.13-37.0.0-before-46.0.2-and-47.0.0-before-47.0.3-cross-engine-type-confusion"], "threat_severity": "Low"}

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