{
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    "aggregate_severity": {
      "text": "Medium"
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      "text": "TuxCare License Agreement",
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        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
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    "lang": "en",
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      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
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      "contact_details": "https://tuxcare.com/contact/",
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        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_docker/alpinelinux3.24/vex/2021/cve-2021-3470-els_docker-alpinelinux3_24.json"
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      "generator": {
        "date": "2026-08-18T00:24:51Z",
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          "date": "2021-03-31T14:15:00Z",
          "number": "1",
          "summary": "Initial version"
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        {
          "date": "2026-08-14T14:35:17Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2026-08-18T00:24:52Z",
          "number": "3",
          "summary": "Update document"
        }
      ],
      "status": "final",
      "version": "3"
    },
    "title": "Security update on CVE-2021-3470"
  },
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  "vulnerabilities": [
    {
      "cve": "CVE-2021-3470",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "notes": [
        {
          "category": "description",
          "text": "A heap overflow issue was found in Redis in versions before 5.0.10, before 6.0.9 and before 6.2.0 when using a heap allocator other than jemalloc or glibc's malloc, leading to potential out of bound write or process crash. Effectively this flaw does not affect the vast majority of users, who use jemalloc or glibc malloc.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "fixed": [
          "Alpine-Linux-3.24:redis6.2-6.2.21.tuxcare.els7-r0.aarch64",
          "Alpine-Linux-3.24:redis6.2-6.2.21.tuxcare.els7-r0.x86_64",
          "Alpine-Linux-3.24:redis6.2-openrc-6.2.21.tuxcare.els7-r0.aarch64",
          "Alpine-Linux-3.24:redis6.2-openrc-6.2.21.tuxcare.els7-r0.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2021-3470"
        },
        {
          "category": "external",
          "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=1943623",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1943623"
        }
      ],
      "release_date": "2021-03-31T14:15:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ]
    }
  ]
}