{"id":"CVE-2024-27529","aliases":["GHSA-fmq6-4w57-2w3v","PYSEC-2024-305"],"title":"wasm3 uncontrolled memory allocation vulnerability","summary":"wasm3 uncontrolled memory allocation vulnerability","severity":"high","cvss":8.4,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","vendor":"shareup","product":"github.com/shareup/wasm-interpreter-apple","ecosystem":"swift","affected":["github.com/shareup/wasm-interpreter-apple <= 0.8.1","pywasm3 <= 0.5.0","wasm3 <= 0.3.1"],"published":"2024-11-09","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:50:20.646148431Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-fmq6-4w57-2w3v","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-27529"},{"url":"https://github.com/wasm3/wasm3/issues/462"},{"url":"https://github.com/wasm3/wasm3/pull/490"},{"url":"https://github.com/wasm3/wasm3/commit/526c1251b64e6e9fdc0d40c768ae46cd20338594"},{"url":"https://gist.github.com/haruki3hhh/ac70bd83b9c0ed1de6289d818488da78"},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/pywasm3/PYSEC-2024-305.yaml"}],"tags":["osv","swift"],"epss":0.00264,"epssPercentile":0.18607,"ingestedAt":"2026-09-12T03:13:01.692Z","slug":"CVE-2024-27529","body":"## Overview\n\nwasm3 at commit 139076a contains a memory leak in the Read_utf8 function.\n\n## Affected packages\n\n- `github.com/shareup/wasm-interpreter-apple <= 0.8.1`\n- `pywasm3 <= 0.5.0`\n- `wasm3 <= 0.3.1`\n\n## Remediation\n\nRefer to the advisory for the patched release.","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":46.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}