CVE-2020-15888: Use After Free
First published: Tue Jul 21 2020(Updated: )
Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Lua Lua | =5.4.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- http://lua-users.org/lists/lua-l/2020-07/msg00053.html
- http://lua-users.org/lists/lua-l/2020-07/msg00054.html
- http://lua-users.org/lists/lua-l/2020-07/msg00071.html
- http://lua-users.org/lists/lua-l/2020-07/msg00079.html
- https://github.com/lua/lua/commit/6298903e35217ab69c279056f925fb72900ce0b7
- https://github.com/lua/lua/commit/eb41999461b6f428186c55abd95f4ce1a76217d5
Frequently Asked Questions
What is CVE-2020-15888?
CVE-2020-15888 is a vulnerability in Lua versions up to and including 5.4.0 that mishandles the interaction between stack resizes and garbage collection, leading to various memory-related issues.
What is the severity of CVE-2020-15888?
The severity of CVE-2020-15888 is high, with a CVSS score of 8.8.
Which software versions are affected by CVE-2020-15888?
The vulnerability affects Lua version 5.4.0.
What are the possible consequences of CVE-2020-15888?
The possible consequences of CVE-2020-15888 include heap-based buffer overflow, heap-based buffer over-read, or use-after-free.
Are there any known fixes for CVE-2020-15888?
At the moment, there is no known fix for CVE-2020-15888. It is recommended to follow the official Lua documentation for updates and security patches.
- collector/nvd-index
- agent/weakness
- agent/references
- agent/type
- agent/softwarecombine
- agent/remedy
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/severity
- agent/last-modified-date
- agent/event
- agent/description
- agent/first-publish-date
- agent/tags
- vendor/lua
- canonical/lua lua
- version/lua lua/5.4.0