Vulnerability · Published Jul 24, 2020 · Assigned by mitre
CVE-2020-15945
Medium 5.5
In plain English
A medium-severity security flaw in the lua5.4 package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.5%top 54.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | lua5.4 | 5.4.1-1 | DEBIAN-CVE-2020-15945 |
| Debian:13 | lua5.4 | 5.4.1-1 | DEBIAN-CVE-2020-15945 |
| Debian:14 | lua5.4 | 5.4.1-1 | DEBIAN-CVE-2020-15945 |