CVE-2020-14147

HighCVSS 7.7/10Last modified Jun 17, 2026

Description

An integer overflow in the getnum function in lua_struct.c in Redis before 6.0.3 allows context-dependent attackers with permission to run Lua code in a Redis session to cause a denial of service (memory corruption and application crash) or possibly bypass intended sandbox restrictions via a large number, which triggers a stack-based buffer overflow. NOTE: this issue exists because of a CVE-2015-8080 regression.

Metrics

CVSS 3.1 7.7/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Weakness enumeration

CWE-190 CWE-787

Affected software

No affected versions have been published.

Timeline

Published: Jun 15, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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