{"cve":"CVE-2023-46331","nvd":{"published":"2023-10-23T17:15:08.590","modified":"2026-06-17T06:30:40.543","status":"Modified","description":"WebAssembly wabt 1.0.33 has an Out-of-Bound Memory Read in in DataSegment::IsValidRange(), which lead to segmentation fault.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-125"],"references":["https://github.com/WebAssembly/wabt/issues/2310","https://github.com/WebAssembly/wabt/issues/2310"],"products":["webassembly:webassembly_binary_toolkit"],"source":"nvd","synced_at":"2026-10-19T21:40:11.519948003+00:00"},"epss":{"cve":"CVE-2023-46331","score":0.00222,"percentile":0.12847,"date":"2026-10-31"},"kev":null,"osv":[{"id":"PYSEC-2023-319","url":"https://osv.dev/vulnerability/PYSEC-2023-319","summary":"","modified":"2026-05-21T15:00:30.397549548Z","packages":[{"ecosystem":"PyPI","name":"wabt","purl":"pkg:pypi/wabt","ranges":["<=1.0.33"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}