{"cve":"CVE-2024-34249","nvd":{"published":"2024-05-06T15:15:24.367","modified":"2026-06-17T07:33:08.630","status":"Analyzed","description":"wasm3 v0.5.0 was discovered to contain a heap buffer overflow which leads to segmentation fault via the function \"DeallocateSlot\" in wasm3/source/m3_compile.c.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-122"],"references":["https://github.com/wasm3/wasm3/issues/485","https://github.com/wasm3/wasm3/issues/485"],"products":["wasm3_project:wasm3"],"source":"nvd","synced_at":"2026-10-19T21:49:23.840078609+00:00"},"epss":{"cve":"CVE-2024-34249","score":0.00706,"percentile":0.53404,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-mq9p-qw76-q6h7","url":"https://osv.dev/vulnerability/GHSA-mq9p-qw76-q6h7","summary":"pywasm3 contains a heap buffer overflow which leads to segmentation fault","modified":"2026-06-09T19:26:18.940386798Z","packages":[{"ecosystem":"PyPI","name":"pywasm3","purl":"pkg:pypi/pywasm3","ranges":["<=0.5.0"],"fixed":[]}]},{"id":"PYSEC-2024-308","url":"https://osv.dev/vulnerability/PYSEC-2024-308","summary":"","modified":"2026-06-10T17:02:32.814326914Z","packages":[{"ecosystem":"PyPI","name":"pywasm3","purl":"pkg:pypi/pywasm3","ranges":["<=0.5.0"],"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."]}