CVE-2022-0890

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Source
https://cve.org/CVERecord?id=CVE-2022-0890
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-0890.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-0890
Downstream
Related
Published
2022-03-10T01:10:09Z
Modified
2026-08-18T15:18:21Z
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 
{
    "cna_assigner":  "@huntrdev",
    "cwe_ids":  [
        "CWE-476"
    ],
    "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
87260e7bb1a9edfb2ce9b41549c4142129061ca5
Fixed
da48e7dbb20024c198493b8724adae1b842083aa
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "3.2"
        }
    ],
    "source":  [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

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

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-0890.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "248535815067629937863918524944915387236",
            "length":  1506
        },
        "id":  "CVE-2022-0890-649ac386",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/mruby/mruby/commit/da48e7dbb20024c198493b8724adae1b842083aa",
        "target":  {
            "file":  "mrbgems/mruby-fiber/src/fiber.c",
            "function":  "fiber_switch"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "223939607037644745280036882512100489274",
                "173758853358397962659912526308701228294",
                "285153068035746412349425476848846059980",
                "299536233392459651338815717218751138222",
                "58575514789846463852510976893924552539",
                "160223404234190633366496997549288511736",
                "326719083390125084276102569572340841377",
                "210381801797972937999180253831723335394",
                "228946019324288234049299668270923772381",
                "17423113548580202317703051954871927238",
                "154002733887095580057730017010893160476",
                "229388804601466596998189688109533756926"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2022-0890-cf0117c8",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/mruby/mruby/commit/da48e7dbb20024c198493b8724adae1b842083aa",
        "target":  {
            "file":  "mrbgems/mruby-fiber/src/fiber.c"
        }
    }
]
vanir_signatures_modified 
"2026-08-18T15:18:21Z"