CVE-2022-0890

Source
https://cve.org/CVERecord?id=CVE-2022-0890
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-0890.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-0890
Downstream
Related
Published
2022-03-10T01:10:09Z
Modified
2026-08-12T12:59:17.861932Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
NULL Pointer Dereference in mruby/mruby
Details

NULL Pointer Dereference in GitHub repository mruby/mruby prior to 3.2.

Database specific
{
    "cwe_ids": [
        "CWE-476"
    ],
    "cna_assigner": "@huntrdev",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/0xxx/CVE-2022-0890.json"
}
References

Affected packages

Git / github.com/mruby/mruby

Affected ranges

Type
GIT
Repo
https://github.com/mruby/mruby
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Fixed
Database specific
Show details
{
    "cpe": "cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:*",
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.2"
        }
    ]
}

Affected versions

1.*
1.0.0
1.1.0
1.2.0
3.*
3.0.0-preview
3.2.0-rc
3.2.0-rc2
3.2.0-rc3
3.2.0-rc4

Database specific

vanir_signatures
[
    {
        "target": {
            "file": "mrbgems/mruby-fiber/src/fiber.c",
            "function": "fiber_switch"
        },
        "deprecated": false,
        "id": "CVE-2022-0890-649ac386",
        "signature_version": "v1",
        "digest": {
            "function_hash": "248535815067629937863918524944915387236",
            "length": 1506.0
        },
        "signature_type": "Function",
        "source": "https://github.com/mruby/mruby/commit/da48e7dbb20024c198493b8724adae1b842083aa"
    },
    {
        "target": {
            "file": "mrbgems/mruby-fiber/src/fiber.c"
        },
        "deprecated": false,
        "id": "CVE-2022-0890-cf0117c8",
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "223939607037644745280036882512100489274",
                "173758853358397962659912526308701228294",
                "285153068035746412349425476848846059980",
                "299536233392459651338815717218751138222",
                "58575514789846463852510976893924552539",
                "160223404234190633366496997549288511736",
                "326719083390125084276102569572340841377",
                "210381801797972937999180253831723335394",
                "228946019324288234049299668270923772381",
                "17423113548580202317703051954871927238",
                "154002733887095580057730017010893160476",
                "229388804601466596998189688109533756926"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "source": "https://github.com/mruby/mruby/commit/da48e7dbb20024c198493b8724adae1b842083aa"
    }
]
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-0890.json"
vanir_signatures_modified
"2026-08-12T12:59:17Z"