SB2020081930 - Fedora 31 update for lua



SB2020081930 - Fedora 31 update for lua

Published: August 19, 2020 Updated: April 25, 2025

Security Bulletin ID SB2020081930
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Integer underflow (CVE-ID: CVE-2020-24370)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal(3,2^31).


Remediation

Install update from vendor's website.