{"action":"Upgrade wasmtime to 24.0.7 or later.","affected":[{"fixed":"24.0.7","introduced":"0"},{"fixed":"36.0.7","introduced":"25.0.0"},{"fixed":"42.0.2","introduced":"37.0.0"},{"fixed":"43.0.1","introduced":"43.0.0"}],"component":"wasmtime","cve_ids":["CVE-2026-34944"],"ecosystem":"crates.io","epss":0.00236,"exploited":false,"fixed_versions":["24.0.7","36.0.7","42.0.2","43.0.1"],"ghsa_id":"GHSA-qqfj-4vcm-26hv","id":"tcs_01M5KF2QD8H3TVGXN55J5TRGY8","modified_at":"2026-09-10T03:51:02.990791595Z","published_at":"2026-04-09T20:22:45Z","references":["https://osv.dev/vulnerability/GHSA-qqfj-4vcm-26hv","https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-qqfj-4vcm-26hv","https://nvd.nist.gov/vuln/detail/CVE-2026-34944","https://github.com/bytecodealliance/wasmtime","https://rustsec.org/advisories/RUSTSEC-2026-0087.html"],"severity":{"label":"medium","score":5.7},"sources":[{"source":"osv","source_id":"GHSA-qqfj-4vcm-26hv","url":"https://osv.dev/vulnerability/GHSA-qqfj-4vcm-26hv"}],"summary":"Wasmtime segfault or unused out-of-sandbox load with `f64x2.splat` operator on x86-64"}