The mark_context_stack function in gc.c in mruby through 1.2.0 allows attackers to cause a denial of service (heap-based use-after-free and application crash) or possibly have unspecified other impact via a crafted .rb file
Published Jun 11, 2017
7.8
HIGHCVSS 3.1
EPSS 0.97%
Description
The mark_context_stack function in gc.c in mruby through 1.2.0 allows attackers to cause a denial of service (heap-based use-after-free and application crash) or possibly have unspecified other impact via a crafted .rb file.
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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.97% (0.00970) | 60.52th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.97% (0.00970) | 60.38th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.17% (0.00168) | 53.95th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.17% (0.00168) | 53.86th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.17% (0.00168) | 51.81th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.78% (0.00777) | 21.50th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.78% (0.00777) | 0.00th | v1 |
References (3)
- https://github.com/mruby/mruby/commit/5c114c91d4ff31859fcd84cf8bf349b737b90d99 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://github.com/mruby/mruby/issues/3486 x_refsource_CONFIRMExploitIssue TrackingPatchThird 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/5c114c91d4ff31859fcd84cf8bf349b737b90d99 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://github.com/mruby/mruby/issues/3486 | x_refsource_CONFIRMExploitIssue TrackingPatchThird 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.