{"action":"Upgrade wasmtime to 36.0.7 or later.","affected":[{"fixed":"36.0.7","introduced":"32.0.0"},{"fixed":"42.0.2","introduced":"37.0.0"},{"fixed":"43.0.1","introduced":"43.0.0"}],"component":"wasmtime","cve_ids":["CVE-2026-34971"],"ecosystem":"crates.io","epss":0.00319,"exploited":false,"fixed_versions":["36.0.7","42.0.2","43.0.1"],"ghsa_id":"GHSA-jhxm-h53p-jm7w","id":"tcs_01M5KF12FD65RZQW7T51WQT558","modified_at":"2026-09-10T03:50:44.556306266Z","published_at":"2026-04-09T20:23:26Z","references":["https://osv.dev/vulnerability/GHSA-jhxm-h53p-jm7w","https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-jhxm-h53p-jm7w","https://nvd.nist.gov/vuln/detail/CVE-2026-34971","https://github.com/bytecodealliance/wasmtime","https://rustsec.org/advisories/RUSTSEC-2026-0096.html"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"GHSA-jhxm-h53p-jm7w","url":"https://osv.dev/vulnerability/GHSA-jhxm-h53p-jm7w"}],"summary":"Wasmtime: Miscompiled guest heap access enables sandbox escape on aarch64 Cranelift"}