CVE-2020-15866 is a critical heap-based buffer overflow vulnerability affecting mruby versions through 2.1.2-rc, specifically within the mrb_yield_with_class function due to incorrect VM stack handling. This flaw can be triggered remotely without authentication, leading to complete compromise of confidentiality, integrity, and availability. While no public exploits or active exploitation have been confirmed, the vulnerability has garnered significant community discussion, indicating potential interest.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.1.1CPE matchmatch criteria | cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:* | ||
2.1.2CPE matchmatch criteria | cpe:2.3:a:mruby:mruby:2.1.2:rc:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.