CVE-2020-15888 is a critical vulnerability affecting Lua versions through 5.4.0, stemming from improper handling of stack resizes during garbage collection. This flaw can lead to heap-based buffer overflows, over-reads, or use-after-free conditions. Rated 8.8 HIGH, it is remotely exploitable with low attack complexity, potentially resulting in high impact to confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.4.0CPE matchmatch criteria | cpe:2.3:a:lua:lua:5.4.0:-:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.
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.
Jul 14, 2020lua: stack resizes and garbage collection leads to heap-based buffer overflow
Jul 6, 2020