CVE-2020-24371

MEDIUM EPSS 75.7%
Published Aug 17, 20205y ago · Modified Jun 17, 20262w ago
5.3 CVSS 3.1
Medium
Find Similar
Published Aug 17, 2020 5y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
5.3
Exploitability
3.9
Impact
1.4
Vector string
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

Threat Intelligence

EPSS Exploit Probability
75.7% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-763

Affected Products 1

VendorProductVersionRange
lualua5.4.0any

References 2

  • github.com https://github.com/lua/lua/commit/a6da1472c0c5e05ff249325f979531ad51533110
    PatchThird Party Advisory
  • lua.org https://www.lua.org/bugs.html#5.4.0-10
    ExploitPatchRelease NotesVendor Advisory

Remediation

  • github.com https://github.com/lua/lua/commit/a6da1472c0c5e05ff249325f979531ad51533110
    PatchThird Party Advisory
  • lua.org https://www.lua.org/bugs.html#5.4.0-10
    ExploitPatchRelease NotesVendor Advisory