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Status published
Critical
CVE-2018-10191
In versions of mruby up to and including 1.4.0, an...
Vulnerability Description
In versions of mruby up to and including 1.4.0, an integer overflow exists in src/vm.c::mrb_vm_exec() when handling OP_GETUPVAR in the presence of deep scope nesting, resulting in a use-after-free. An attacker that can cause Ruby code to be run can use this to possibly execute arbitrary code.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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CVE-2022-1286
heap-buffer-overflow in mrb_vm_exec in mruby/mruby in mruby/mruby
Medium
5.9
CVE-2022-1276
Out-of-bounds Read in mrb_get_args in mruby/mruby
High
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CVE-2022-1212
Use-After-Free in str_escape in mruby/mruby in mruby/mruby
Critical
9.3
Affected Vendor
mruby
View all reports →Affected Software
mruby, debian linux
Vulnerable Versions:
0, 9.0
Timeline
Official Publish:
April 17th, 2018
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.