{"id":"CVE-2023-31670","aliases":["DEBIAN-CVE-2023-31670","EUVD-2023-35965","GHSA-q283-h7m5-gh5p","UBUNTU-CVE-2023-31670"],"status":"published","title":"An issue in wasm2c 1.0.32, wasm2wat 1.0.32, wasm-decompile 1.0.32, and wasm-validate 1.0.32...","description":"An issue in wasm2c 1.0.32, wasm2wat 1.0.32, wasm-decompile 1.0.32, and wasm-validate 1.0.32 allows attackers to cause a Denial of Service (DoS) via running a crafted binary.","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":"2026-11-12","score":0.00833,"percentile":0.58116,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2023-05-23T00:00:00Z","modified":"2026-10-28T02:30:22Z","fixes":[{"ecosystem":"Debian:13","package":"wabt","fixed_in":["1.0.33-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"wabt","fixed_in":["1.0.33-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"wabt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.32-1","1.0.33-1","1.0.34+dsfg+~cs1.0.32-1","1.0.34+dsfg2+~cs1.0.32-1","1.0.34+dsfg2+~cs1.0.32-2","1.0.34+dsfg2+~cs1.0.32-3","1.0.34+dsfg2+~cs1.0.32-4","1.0.34-1","1.0.36+dfsg+~cs1.0.36-1","1.0.36+dfsg+~cs1.0.36-2","1.0.41+dfsg+~cs1.0.39-1","1.0.41+dfsg+~cs1.0.39-2","1.0.42+dfsg+~cs1.0.39-1","1.0.42+dfsg+~cs1.0.39-2"]},{"source":"osv","ecosystem":"Debian:13","package":"wabt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.33-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"wabt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.33-1"}]}]}],"products":[{"vendor":"webassembly","product":"webassembly_binary_toolkit"}],"references":[{"url":"https://github.com/WebAssembly/wabt/issues/2199","tags":["x_transferred","Exploit","Issue Tracking","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31670","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-q283-h7m5-gh5p"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/31xxx/CVE-2023-31670.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-31670","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-31670","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-31670","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-31670","description":"An issue in wasm2c 1.0.32, wasm2wat 1.0.32, wasm-decompile 1.0.32, and wasm-validate 1.0.32 allows attackers to cause a Denial of Service (DoS) via running a crafted binary.","status":"published","published":"2023-05-23T00:00:00Z","modified":"2025-01-31T14:58:55.503Z","cvss":[{"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":"adp"}],"updated_at":"2026-11-02T14:35:27.430605Z"}],"euvd":[{"id":"EUVD-2023-35965","description":"An issue in wasm2c 1.0.32, wasm2wat 1.0.32, wasm-decompile 1.0.32, and wasm-validate 1.0.32 allows attackers to cause a Denial of Service (DoS) via running a crafted binary.","status":"published","published":"2023-05-23T00:00:00Z","modified":"2025-01-31T14:58:55Z","cvss":[{"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"}],"updated_at":"2026-11-03T00:04:08.172652Z"}],"ghsa":[{"id":"GHSA-q283-h7m5-gh5p","title":"An issue in wasm2c 1.0.32, wasm2wat 1.0.32, wasm-decompile 1.0.32, and wasm-validate 1.0.32...","description":"An issue in wasm2c 1.0.32, wasm2wat 1.0.32, wasm-decompile 1.0.32, and wasm-validate 1.0.32 allows attackers to cause a Denial of Service (DoS) via running a crafted binary.","status":"published","published":"2023-05-23T03:30:15Z","modified":"2024-04-04T04:17:17Z","cvss":[{"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"}],"updated_at":"2026-11-02T14:56:22.389253Z"}],"nvd":[{"id":"CVE-2023-31670","description":"An issue in wasm2c 1.0.32, wasm2wat 1.0.32, wasm-decompile 1.0.32, and wasm-validate 1.0.32 allows attackers to cause a Denial of Service (DoS) via running a crafted binary.","status":"published","published":"2023-05-23T01:15:09.917Z","modified":"2026-06-17T05:57:20.777Z","cvss":[{"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"},{"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":"secondary"}],"updated_at":"2026-11-02T14:08:03.200773Z"}],"osv":[{"id":"CVE-2023-31670","description":"An issue in wasm2c 1.0.32, wasm2wat 1.0.32, wasm-decompile 1.0.32, and wasm-validate 1.0.32 allows attackers to cause a Denial of Service (DoS) via running a crafted binary.","status":"published","published":"2023-05-23T00:00:00Z","modified":"2026-10-28T02:30:22.161484788Z","cvss":[{"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"}],"updated_at":"2026-11-02T15:44:31.790231Z"},{"id":"DEBIAN-CVE-2023-31670","description":"An issue in wasm2c 1.0.32, wasm2wat 1.0.32, wasm-decompile 1.0.32, and wasm-validate 1.0.32 allows attackers to cause a Denial of Service (DoS) via running a crafted binary.","status":"published","published":"2023-05-23T01:15:09.917Z","modified":"2026-10-26T18:01:50.314117157Z","cvss":[{"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"}],"updated_at":"2026-11-02T15:45:39.679062Z"},{"id":"UBUNTU-CVE-2023-31670","description":"An issue in wasm2c 1.0.32, wasm2wat 1.0.32, wasm-decompile 1.0.32, and wasm-validate 1.0.32 allows attackers to cause a Denial of Service (DoS) via running a crafted binary.","status":"withdrawn","published":"2023-05-23T01:15:00Z","modified":"2025-07-14T06:46:18.942201Z","cvss":[{"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"},{"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"}],"updated_at":"2026-11-02T16:54:20.997471Z"}]}}