CVE-2020-15866
CRITICAL
9.8
CVSS Score
Published: July 21, 2020 at 02:54 PM UTC
Updated: June 17, 2026 at 02:57 AM UTC
2 products affected across 2 vendorsDebian LinuxMruby
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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%
Description
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (2)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/mruby/mruby/issues/5042Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/05/msg00006.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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