{"id":"CVE-2021-29326","aliases":["EUVD-2021-15962","GHSA-hvvx-8h4f-g7hg"],"status":"published","title":"OpenSource Moddable v10.5.0 was discovered to contain a heap buffer overflow in the fxIDToString...","description":"OpenSource Moddable v10.5.0 was discovered to contain a heap buffer overflow in the fxIDToString function at /moddable/xs/sources/xsSymbol.c.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00755,"percentile":0.55383,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-11-19T16:39:37Z","modified":"2026-06-17T03:47:30Z","products":[{"vendor":"moddable","product":"moddable"}],"references":[{"url":"https://github.com/Moddable-OpenSource/moddable/issues/583","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29326"},{"url":"https://github.com/advisories/GHSA-hvvx-8h4f-g7hg"}],"sources":{"cve":[{"id":"CVE-2021-29326","description":"OpenSource Moddable v10.5.0 was discovered to contain a heap buffer overflow in the fxIDToString function at /moddable/xs/sources/xsSymbol.c.","status":"published","published":"2021-11-19T16:39:37Z","modified":"2024-08-03T22:02:51.779Z","updated_at":"2026-11-02T14:33:06.658806Z"}],"euvd":[{"id":"EUVD-2021-15962","description":"OpenSource Moddable v10.5.0 was discovered to contain a heap buffer overflow in the fxIDToString function at /moddable/xs/sources/xsSymbol.c.","status":"published","published":"2021-11-19T16:39:37Z","modified":"2024-08-03T22:02:51Z","updated_at":"2026-11-03T03:24:45.000012Z"}],"ghsa":[{"id":"GHSA-hvvx-8h4f-g7hg","title":"OpenSource Moddable v10.5.0 was discovered to contain a heap buffer overflow in the fxIDToString...","description":"OpenSource Moddable v10.5.0 was discovered to contain a heap buffer overflow in the fxIDToString function at /moddable/xs/sources/xsSymbol.c.","status":"published","published":"2022-05-24T19:21:07Z","modified":"2023-01-30T05:03:49Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:55.198962Z"}],"nvd":[{"id":"CVE-2021-29326","description":"OpenSource Moddable v10.5.0 was discovered to contain a heap buffer overflow in the fxIDToString function at /moddable/xs/sources/xsSymbol.c.","status":"published","published":"2021-11-19T17:15:08.157Z","modified":"2026-06-17T03:47:30.793Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:01.428028Z"}]}}