{"action":"Upgrade wasmtime to 36.0.5 or later.","affected":[{"fixed":"36.0.5","introduced":"29.0.0"},{"fixed":"40.0.3","introduced":"37.0.0"},{"fixed":"41.0.1","introduced":"41.0.0"}],"component":"wasmtime","cve_ids":["CVE-2026-24116"],"ecosystem":"crates.io","epss":0.00246,"exploited":false,"fixed_versions":["36.0.5","40.0.3","41.0.1"],"ghsa_id":"GHSA-vc8c-j3xm-xj73","id":"tcs_01M5KF3GHDAV7D4S05Q1T20NRZ","modified_at":"2026-09-10T03:50:59.266808219Z","published_at":"2026-01-27T00:48:20Z","references":["https://osv.dev/vulnerability/GHSA-vc8c-j3xm-xj73","https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-vc8c-j3xm-xj73","https://nvd.nist.gov/vuln/detail/CVE-2026-24116","https://github.com/bytecodealliance/wasmtime/commit/728fa07184f8da2a046f48ef9b61f869dce133a6","https://github.com/bytecodealliance/wasmtime/commit/799585fc362fcb991de147dd1a9f2ba0861ed440","https://github.com/bytecodealliance/wasmtime/commit/ac92d9bb729ad3a6d93f0724c4c33a0c4a9c0227","https://docs.rs/wasmtime/latest/wasmtime/struct.Config.html#method.memory_guard_size","https://docs.rs/wasmtime/latest/wasmtime/struct.Config.html#method.signals_based_traps","https://docs.wasmtime.dev/stability-release.html","https://github.com/bytecodealliance/wasmtime","https://rustsec.org/advisories/RUSTSEC-2026-0006.html"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"GHSA-vc8c-j3xm-xj73","url":"https://osv.dev/vulnerability/GHSA-vc8c-j3xm-xj73"},{"source":"nvd","source_id":"CVE-2026-24116","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24116"}],"summary":"Wasmtime segfault or unused out-of-sandbox load with f64.copysign operator on x86-64"}