Vulnerability · Published Jul 21, 2020 · Assigned by mitre
CVE-2020-15888
High 8.8
In plain English
A high-severity security flaw in the lua5.4 package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.4% (higher than 84% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)2.4%top 15.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | lua5.4 | 5.4.1-1 | DEBIAN-CVE-2020-15888 |
| Debian:13 | lua5.4 | 5.4.1-1 | DEBIAN-CVE-2020-15888 |
| Debian:14 | lua5.4 | 5.4.1-1 | DEBIAN-CVE-2020-15888 |
Affected products (as reported)
References
- https://github.com/lua/lua/commit/eb41999461b6f428186c55abd95f4ce1a76217d5 x_refsource_MISC
- https://github.com/lua/lua/commit/6298903e35217ab69c279056f925fb72900ce0b7 x_refsource_MISC
- http://lua-users.org/lists/lua-l/2020-07/msg00053.html x_refsource_MISC
- http://lua-users.org/lists/lua-l/2020-07/msg00054.html x_refsource_MISC
- http://lua-users.org/lists/lua-l/2020-07/msg00071.html x_refsource_MISC
- http://lua-users.org/lists/lua-l/2020-07/msg00079.html x_refsource_MISC