python3 — security advisory

{
  "id": "8cdf2841b9602e10cc1034eaf67556b75a9b09f66660f2c5d6f61f6035aaa89d",
  "url": "https://osv.dev/vulnerability/ALPINE-CVE-2018-20406",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ALPINE-CVE-2018-20406",
    "summary": "Modules/_pickle.c in Python before 3.7.1 has an integer overflow via a large LONG_BINPUT value that is mishandled during a \"resize to twice the size\" attempt. This issue might cause memory exhaustion, but is only relevant if the pickle format is used for serializing tens or hundreds of gigabytes of data. This issue is fixed in: v3.4.10, v3.4.10rc1; v3.5.10, v3.5.10rc1, v3.5.7, v3.5.7rc1, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.7, v3.6.7rc1, v3.6.7rc2, v3.6.8, v3.6.8rc1, v3.6.9, v3.6.9rc1; v3.7.1, v3.7.1rc1, v3.7.1rc2, v3.7.2, v3.7.2rc1, v3.7.3, v3.7.3rc1, v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.",
    "evidence": "osv:ALPINE-CVE-2018-20406",
    "products": [
      {
        "name": {
          "value": "python3",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.6.8-r0",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python3",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.6.8-r0",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python3",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.6.8-r0",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "ALPINE-CVE-2018-20406",
      "aliases": [
        "ALPINE-CVE-2018-20406"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.6.8-r0"
                }
              ]
            }
          ],
          "package": {
            "name": "python3",
            "purl": "pkg:apk/alpine/python3?arch=source",
            "ecosystem": "Alpine:v3.6"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-20406.json"
          },
          "ecosystem_specific": {}
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.6.8-r0"
                }
              ]
            }
          ],
          "package": {
            "name": "python3",
            "purl": "pkg:apk/alpine/python3?arch=source",
            "ecosystem": "Alpine:v3.7"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-20406.json"
          },
          "ecosystem_specific": {}
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.6.8-r0"
                }
              ]
            }
          ],
          "package": {
            "name": "python3",
            "purl": "pkg:apk/alpine/python3?arch=source",
            "ecosystem": "Alpine:v3.8"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-20406.json"
          },
          "ecosystem_specific": {}
        }
      ],
      "modified": "2026-10-23T17:24:39.081668131Z",
      "provider": "osv",
      "upstream": [
        "CVE-2018-20406"
      ],
      "references": [
        "https://security.alpinelinux.org/vuln/CVE-2018-20406"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2018-20406",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 416108,
  "published_at": "2018-12-23T23:29:00.307+00:00"
}