{"action":"Upgrade wasmi to 0.41.2 or later.","affected":[{"fixed":"0.41.2","introduced":"0.41.0"},{"fixed":"0.47.1","introduced":"0.42.0"},{"fixed":"0.51.3","introduced":"0.50.0"},{"fixed":"1.0.1","introduced":"1.0.0"}],"component":"wasmi","cve_ids":["CVE-2025-66627"],"ecosystem":"crates.io","epss":0.00146,"exploited":false,"fixed_versions":["0.41.2","0.47.1","0.51.3","1.0.1"],"ghsa_id":"GHSA-g4v2-cjqp-rfmq","id":"tcs_01M5KEXSW5KWNHPGVMAQKV4CSP","modified_at":"2026-09-10T03:50:31.952950700Z","published_at":"2025-12-08T22:15:49Z","references":["https://osv.dev/vulnerability/GHSA-g4v2-cjqp-rfmq","https://github.com/wasmi-labs/wasmi/security/advisories/GHSA-g4v2-cjqp-rfmq","https://nvd.nist.gov/vuln/detail/CVE-2025-66627","https://github.com/wasmi-labs/wasmi/commit/0e6f0d2a8325602c58d6a53ce1c0e6045eb6a490","https://github.com/wasmi-labs/wasmi"],"severity":{"label":"high","score":8.4},"sources":[{"source":"osv","source_id":"GHSA-g4v2-cjqp-rfmq","url":"https://osv.dev/vulnerability/GHSA-g4v2-cjqp-rfmq"}],"summary":"Critical Use-After-Free in Wasmi's Linear Memory"}