{"cve":"CVE-2020-15945","nvd":{"published":"2020-07-24T21:15:34.553","modified":"2026-06-17T02:57:28.240","status":"Modified","description":"Lua 5.4.0 (fixed in 5.4.1) has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["http://lua-users.org/lists/lua-l/2020-07/msg00123.html","https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3","https://www.lua.org/bugs.html#5.4.0-8","http://lua-users.org/lists/lua-l/2020-07/msg00123.html","https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3"],"products":["lua:lua"],"source":"nvd","synced_at":"2026-10-19T21:06:22.076270124+00:00"},"epss":{"cve":"CVE-2020-15945","score":0.00545,"percentile":0.45759,"date":"2026-11-01"},"kev":null,"osv":[],"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."]}