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CVE-2022-1071
User after free in mrb_vm_exec in mruby/mruby
High7.7EPSS 0.92%
- Published
- Updated
- Reserved
- Assigned by
- @huntrdev
Description
User after free in mrb_vm_exec in GitHub repository mruby/mruby prior to 3.2.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| @huntrdevCNA (assigner) | 3.0 | High7.7 | CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.2 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.92% · top 40% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.7.
Weakness
Affected products
- affected unspecified – < 3.2
References (2)
- https://huntr.dev/bounties/6597ece9-07af-415b-809b-919ce0a17cf3 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/mruby/mruby/commit/aaa28a508903041dd7399d4159a8ace9766b022f (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-1071)Record last updated .