CVE-2020-15888

Public Exploit

Description

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.22% Top 25%
Third-Party Advisory lua-users.org Third-Party Advisory lua-users.org Third-Party Advisory lua-users.org Third-Party Advisory lua-users.org Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/lua/lua/commit/eb41999461b6f428186c55abd95f4ce1a76217d5 third party advisory patch
https://github.com/lua/lua/commit/6298903e35217ab69c279056f925fb72900ce0b7 third party advisory patch
http://lua-users.org/lists/lua-l/2020-07/msg00053.html mailing list exploit third party advisory
http://lua-users.org/lists/lua-l/2020-07/msg00054.html mailing list exploit third party advisory
http://lua-users.org/lists/lua-l/2020-07/msg00071.html mailing list exploit third party advisory
http://lua-users.org/lists/lua-l/2020-07/msg00079.html mailing list exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-15888?
CVE-2020-15888 has been scored as a high severity vulnerability.
How to fix CVE-2020-15888?
To fix CVE-2020-15888, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-15888 being actively exploited in the wild?
It is possible that CVE-2020-15888 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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