MEDIUM
NULL Pointer Dereference in mruby/mruby
Published Feb 19, 2022
5.5
MEDIUMCVSS 3.1
EPSS 0.81%
Description
NULL Pointer Dereference in Homebrew mruby prior to 3.2.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<3.2
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Mruby | Mruby/mruby | n/a |
|
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.
5.5 MEDIUM NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
5.5 MEDIUM NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
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.
0.81% 0.00810
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
EPSS probability 0.00810
Score over time
2022-2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 0.81% (0.00810) | 55.42th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.79% (0.00793) | 51.40th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.28% (0.00284) | 49.72th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00063) | 29.58th | v3 (v2023.03.01) |
| May 3, 2024 | 0.06% (0.00057) | 22.78th | v3 (v2023.03.01) |
| Aug 2, 2023 | 0.06% (0.00055) | 20.74th | v3 (v2023.03.01) |
| Mar 24, 2023 | 0.05% (0.00050) | 16.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 10.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 20, 2022 | 0.89% (0.00885) | 11.03th | v2 (v2022.01.01) |
Weaknesses (1)
References (2)
- https://github.com/mruby/mruby/commit/44f591aa8f7091e6ca6cb418e428ae6d4ceaf77d x_refsource_MISCPatchThird Party Advisory
- https://huntr.dev/bounties/3e5bb8f6-30fd-4553-86dd-761e9459ce1b x_refsource_CONFIRMExploitPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/mruby/mruby/commit/44f591aa8f7091e6ca6cb418e428ae6d4ceaf77d | x_refsource_MISCPatchThird Party Advisory | |
| https://huntr.dev/bounties/3e5bb8f6-30fd-4553-86dd-761e9459ce1b | x_refsource_CONFIRMExploitPatchThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner @huntrdev
Published Feb 19, 2022
Updated Aug 2, 2024
Reserved Feb 16, 2022
Link CVE-2022-0632
CISA Vulnrichment
Updated n/a