Use After Free Affecting lua package, versions [0,]


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
1.25% (79th percentile)

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  • Snyk IDSNYK-UNMANAGED-LUA-2319491
  • published14 Dec 2021
  • disclosed23 Jan 2019
  • creditUnknown

Introduced: 23 Jan 2019

CVE-2019-6706  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for lua.

Overview

Affected versions of this package are vulnerable to Use After Free. Lua 5.3.5 has a use-after-free in lua_upvaluejoin in lapi.c. For example, a crash outcome might be achieved by an attacker who is able to trigger a debug.upvaluejoin call in which the arguments have certain relationships.

CVSS Base Scores

version 3.1