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CVE-2020-24370

lua: segmentation fault in getlocal and setlocal functions in ldebug.c

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Severity

Low

Red Hat Product Security

5.3

CVSS 3.1

Review impact separately from score.

Published · July 24, 2020

Updated · November 22, 2025

Description

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).

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-682 · Incorrect Calculation