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EUVD-2026-5583

🗓️ 06 Feb 2026 04:32:09Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

mruby up to 3.4.0 use after free via mrb_vm_exec in JMPNOT-to-JMPIF; local exploit published.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-1979
6 Feb 202604:32
attackerkb
CNNVD
mruby 资源管理错误漏洞
6 Feb 202600:00
cnnvd
CVE
CVE-2026-1979
6 Feb 202604:32
cve
Cvelist
CVE-2026-1979 mruby JMPNOT-to-JMPIF Optimization vm.c mrb_vm_exec use after free
6 Feb 202604:32
cvelist
Debian CVE
CVE-2026-1979
6 Feb 202604:32
debiancve
NVD
CVE-2026-1979
6 Feb 202605:16
nvd
OSV
DEBIAN-CVE-2026-1979
6 Feb 202605:16
osv
OSV
UBUNTU-CVE-2026-1979
6 Feb 202605:16
osv
Positive Technologies
PT-2026-6673
6 Feb 202600:00
ptsecurity
RedhatCVE
CVE-2026-1979
7 Feb 202607:22
redhatcve
Rows per page
[
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    "enisaIdVendor": [
      {
        "id": "8f68c159-bc0a-3069-9b39-c3d3fce87b0c",
        "vendor": {
          "name": "n/a"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "00f13153-d4fd-345a-a79f-17fa8f5788d0",
        "product": {
          "name": "mruby"
        },
        "product_version": "3.2"
      },
      {
        "id": "4222ee9c-8adf-3c51-88bc-5ac656b84481",
        "product": {
          "name": "mruby"
        },
        "product_version": "3.1"
      },
      {
        "id": "85ac78e9-fd8c-372c-933f-549cc74273a0",
        "product": {
          "name": "mruby"
        },
        "product_version": "3.3"
      },
      {
        "id": "a30483ff-2217-3c6e-9fc7-4f203ff94a92",
        "product": {
          "name": "mruby"
        },
        "product_version": "3.4.0"
      },
      {
        "id": "a3d503a1-c25e-38fa-9a02-1a9589f56356",
        "product": {
          "name": "mruby"
        },
        "product_version": "3.0"
      }
    ]
  }
]

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06 Feb 2026 20:26Current
5.1Medium risk
Vulners AI Score5.1
CVSS 44.8
CVSS 24.3
CVSS 3.15.3
CVSS 35.3
EPSS0.00027
SSVC
3