{"id":"CVE-2022-39974","aliases":["EUVD-2022-0224","GHSA-crf8-h2wq-2h9x","PYSEC-2022-43058"],"status":"published","title":"WASM3 Improper Input Validation vulnerability","description":"WASM3 v0.5.0 was discovered to contain a segmentation fault via the component op_Select_i32_srs in wasm3/source/m3_exec.h.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00907,"percentile":0.60189,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-20"],"published":"2022-09-20T17:12:48Z","modified":"2026-10-28T02:31:13Z","affected":[{"source":"ghsa","ecosystem":"PyPI","package":"pywasm3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.5.0"}]}]},{"source":"ghsa","ecosystem":"crates.io","package":"wasm3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.5.0"}]}]},{"source":"osv","ecosystem":"PyPI","package":"pywasm3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.5.0"}]}],"versions":["0.0.1","0.0.2","0.4.8","0.4.9","0.5.0"]},{"source":"osv","ecosystem":"crates.io","package":"wasm3","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.5.0"}]}]},{"source":"osv","ecosystem":"PyPI","package":"pywasm3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.1","0.0.2","0.4.8","0.4.9","0.5.0"]}],"products":[{"vendor":"wasm3_project","product":"wasm3"}],"references":[{"url":"https://github.com/wasm3/wasm3/issues/379","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report","web","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-39974","tags":["advisory"]},{"url":"https://github.com/wasm3/wasm3/issues/344","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/pywasm3/PYSEC-2022-43058.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-crf8-h2wq-2h9x","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39974.json","tags":["advisory"]},{"url":"https://github.com/wasm3/wasm3","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2022-39974","description":"WASM3 v0.5.0 was discovered to contain a segmentation fault via the component op_Select_i32_srs in 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