CVE-2020-24371 — MEDIUM (5.3)

Vulnerability Description

lgc.c in Lua 5.4.0 mishandles the interaction between barriers and the sweep phase, leading to a memory access violation involving collectgarbage.

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Lua	Lua	5.4.0

Related Weaknesses (CWE)

CWE-763

References

https://github.com/lua/lua/commit/a6da1472c0c5e05ff249325f979531ad51533110PatchThird Party Advisory
https://www.lua.org/bugs.html#5.4.0-10ExploitPatchRelease Notes
https://github.com/lua/lua/commit/a6da1472c0c5e05ff249325f979531ad51533110PatchThird Party Advisory
https://www.lua.org/bugs.html#5.4.0-10ExploitPatchRelease Notes

FAQ

What is CVE-2020-24371?

CVE-2020-24371 is a vulnerability with a CVSS score of 5.3 (MEDIUM). lgc.c in Lua 5.4.0 mishandles the interaction between barriers and the sweep phase, leading to a memory access violation involving collectgarbage.

How severe is CVE-2020-24371?

CVE-2020-24371 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-24371?

Check the references section above for vendor advisories and patch information. Affected products include: Lua Lua.