HIGH
An issue was discovered in mruby 1.4.1
Published Jun 12, 2018
7.5
HIGHCVSS 3.1
EPSS 2.12%
Description
An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in mrb_class_real because "class BasicObject" is not properly supported in class.c.
Affected products
No data.
Configuration 2
- 9.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.12% 0.02119
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02119
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.12% (0.02119) | 81.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.12% (0.02119) | 79.39th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.19% (0.00188) | 56.71th | v3 (v2023.03.01) |
| Nov 3, 2023 | 0.19% (0.00188) | 56.23th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.27% (0.00265) | 63.02th | v3 (v2023.03.01) |
| Jun 6, 2023 | 0.31% (0.00307) | 65.52th | v3 (v2023.03.01) |
| May 8, 2023 | 0.27% (0.00267) | 62.73th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.23% (0.00231) | 59.45th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Oct 15, 2022 | 0.95% (0.00954) | 34.95th | v2 (v2022.01.01) |
| May 7, 2022 | 0.95% (0.00954) | 32.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v1 |
| Jan 6, 2022 | 0.62% (0.00624) | 17.24th | v1 |
| Sep 1, 2021 | 0.62% (0.00624) | 45.04th | v1 |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
Weaknesses (1)
References (3)
- https://github.com/mruby/mruby/commit/faa4eaf6803bd11669bc324b4c34e7162286bfa3 x_refsource_MISCPatchThird Party Advisory
- https://github.com/mruby/mruby/issues/4037 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/mruby/mruby/commit/faa4eaf6803bd11669bc324b4c34e7162286bfa3 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/mruby/mruby/issues/4037 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jun 12, 2018
Updated Aug 5, 2024
Reserved Jun 12, 2018
Link CVE-2018-12249
CISA Vulnrichment
Updated n/a