VDB
CVE-2020-15866
CVE-2020-15866
PUBLISHED
CVSS 9.800000190734863 CRITICAL
mruby through 2.1.2-rc has a heap-based buffer overflow in the mrb_yield_with_class function in vm.c because of incorrect VM stack handling. It can be triggered via the stack_copy function.
EPSS 2.09% · 80.2th percentile
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
2.09%
80.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:25.10 | mruby | 3.3.0-1, 0 |
| Ubuntu:18.04:LTS | mruby | 1.3.0+20171029+git77edafb0-1, 0, 1.4.0-1 |
| Ubuntu:20.04:LTS | mruby | 0, 2.0.0-1 |
| Ubuntu:24.04:LTS | mruby | 3.2.0-1, 3.2.0-2, 0 |
| Ubuntu:16.04:LTS | mruby | 1.2.0+20160315+git4f20d58a-1, 0, 1.1.0+20150817+gita1731254-1 |
| Ubuntu:22.04:LTS | mruby | 0, 3.0.0-3, 3.0.0-1 |
Timeline
- Jul 21, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 4, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 7, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-15866 third-party-advisory
- https://github.com/mruby/mruby/issues/5042 third-party-advisory
- https://github.com/mruby/mruby/commit/6334949ba69363cb909a57d6871895bd6d98bb6b third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-15866 third-party-advisory