NULL pointer dereference in Lua

CVE-2020-24369

ldebug.c in Lua 5.4.0 attempts to access debug information via the line hook of a stripped function, leading to a NULL pointer dereference.

EPSS: 0.017 (75.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Lua — versions 5.4.0
N/a — versions n/a

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

cve@mitre.org (Exploit, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-24369?: CVE-2020-24369 is a high-severity vulnerability in Lua, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2020-08-17.
How severe is CVE-2020-24369?: High severity. CVSS v3 base score is 7.5 out of 10.