{"id":"CVE-2022-43283","aliases":["DEBIAN-CVE-2022-43283","EUVD-2022-46327","GHSA-835w-28hj-65xx","UBUNTU-CVE-2022-43283"],"status":"published","title":"wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write.","description":"wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00287,"percentile":0.21431,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-434"],"published":"2022-10-28T00:00:00Z","modified":"2026-10-28T02:30:40Z","fixes":[{"ecosystem":"Debian:12","package":"wabt","fixed_in":["1.0.30-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"wabt","fixed_in":["1.0.30-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"wabt","fixed_in":["1.0.30-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"wabt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.30-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"wabt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.30-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"wabt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.30-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"wabt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.11-1","1.0.12-1","1.0.13-1","1.0.13-1build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"wabt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.20-1","1.0.24-1","1.0.24-2","1.0.25-1","1.0.26-1","1.0.27-1"]}],"products":[{"vendor":"webassembly","product":"wabt"}],"references":[{"url":"https://github.com/WebAssembly/wabt/issues/1985","tags":["x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-43283","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-835w-28hj-65xx"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/43xxx/CVE-2022-43283.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-43283","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-43283","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-43283","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2022-43283","description":"wasm2c v1.0.29 was discovered to contain an abort in 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CWriter::Write.","status":"published","published":"2022-10-29T12:00:43Z","modified":"2023-01-30T05:03:37Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:46:52.374347Z"}],"nvd":[{"id":"CVE-2022-43283","description":"wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write.","status":"published","published":"2022-10-28T21:15:10.007Z","modified":"2026-06-17T05:06:13.137Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:07:31.127985Z"}],"osv":[{"id":"CVE-2022-43283","description":"wasm2c v1.0.29 was discovered to contain an abort in 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