CVE-2020-15945

medium

Description

Lua through 5.4.0 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.

References

https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3

http://lua-users.org/lists/lua-l/2020-07/msg00123.html

Details

Source: Mitre, NVD

Published: 2020-07-24

Updated: 2023-04-20

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium