{"id":"CVE-2026-119137","revision":"69581e16db5a47179c32cc767340bcea","records":[{"revision":"69581e16db5a47179c32cc767340bcea","observedAt":"2026-10-29T17:12:12.367+00:00","statement":{"source":"cve-program","id":"CVE-2026-119137","aliases":[],"title":"Wasmtime 42.0.0 before 48.0.6 and 49.0.0 before 49.0.3 Stack Overflow via Type Registry","description":"Wasmtime 42.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a stack overflow vulnerability that allows guests to crash the host through recursive type drops. Guests can define a long chain of recursive types so that removing the top-level type triggers unbounded recursive drops, exhausting the host stack.","state":0,"publishedAt":"2026-10-29T15:58:17.461+00:00","modifiedAt":"2026-10-29T15:58:17.461+00:00","affected":[{"ecosystem":"Vendor product","name":"wasmtime","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"bytecodealliance\",\n                    \"product\": \"wasmtime\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:cargo/wasmtime\",\n                    \"versions\": [\n                        {\n                            \"version\": \"42.0.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"48.0.6\"\n                        },\n                        {\n                            \"version\": \"48.0.6\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"49.0.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"49.0.3\"\n                        },\n                        {\n                            \"version\": \"49.0.3\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3,"severity":"MEDIUM"}],"references":["https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-wjc8-633q-pwxr","https://www.vulncheck.com/advisories/wasmtime-42.0.0-before-48.0.6-and-49.0.0-before-49.0.3-stack-overflow-via-type-registry"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-119137","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-119137","identifiers":["CVE-2026-119137"]},"retained":false,"historicalAffected":[]}],"coverage":[]}