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Red Hat Security Advisory: python3 security update

Type: advisorySources: OSV
Products
platform-python, platform-python-debug, platform-python-devel, python3, python3-debuginfo, python3-debugsource, python3-idle, python3-libs, python3-test, python3-tkinter
Affected versions
Not specified
Fixed versions
0:3.6.8-77.el8_10
CVEs
CVE-2026-15308
Confirmed fixed CVEs
Not specified
Updated in this feed
30 Oct 2026, 11:59 UTC · Revision 1

Source evidence

Red Hat Security Advisory: python3 security update

core-osv · Original source

Published 15 Jul 2026, 10:10 UTC

Red Hat Security Advisory: python3 security update

osv:RHSA-2026:39320

platform-python

Fixed versions: 0:3.6.8-77.el8_10

platform-python-debug

Fixed versions: 0:3.6.8-77.el8_10

platform-python-devel

Fixed versions: 0:3.6.8-77.el8_10

python3-debuginfo

Fixed versions: 0:3.6.8-77.el8_10

python3-debugsource

Fixed versions: 0:3.6.8-77.el8_10

python3-idle

Fixed versions: 0:3.6.8-77.el8_10

python3-test

Fixed versions: 0:3.6.8-77.el8_10

python3-tkinter

Fixed versions: 0:3.6.8-77.el8_10

platform-python

Fixed versions: 0:3.6.8-77.el8_10

python3

Fixed versions: 0:3.6.8-77.el8_10

python3-debuginfo

Fixed versions: 0:3.6.8-77.el8_10

python3-debugsource

Fixed versions: 0:3.6.8-77.el8_10

python3-libs

Fixed versions: 0:3.6.8-77.el8_10

python3-test

Fixed versions: 0:3.6.8-77.el8_10

Complete source record
{
  "id": "fa56ba1f90fa9db4ba53de2b21b9af9bd967ac74517874842f94c9090f9e3fae",
  "url": "https://osv.dev/vulnerability/RHSA-2026%3A39320",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Red Hat Security Advisory: python3 security update",
    "summary": "Red Hat Security Advisory: python3 security update",
    "evidence": "osv:RHSA-2026:39320",
    "products": [
      {
        "name": {
          "value": "platform-python",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0:3.6.8-77.el8_10",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "platform-python-debug",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0:3.6.8-77.el8_10",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "platform-python-devel",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
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            "evidence": "/affected/2/ranges"
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        "affected_versions": []
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      {
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            "evidence": "/affected/3/ranges"
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        "affected_versions": []
      },
      {
        "name": {
          "value": "python3-debugsource",
          "evidence": "/affected/4/package/name"
        },
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          {
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            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python3-idle",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
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            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python3-test",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
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          {
            "value": "0:3.6.8-77.el8_10",
            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python3-tkinter",
          "evidence": "/affected/7/package/name"
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        "prerequisites": [],
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            "value": "0:3.6.8-77.el8_10",
            "evidence": "/affected/7/ranges"
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        "affected_versions": []
      },
      {
        "name": {
          "value": "platform-python",
          "evidence": "/affected/8/package/name"
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            "evidence": "/affected/8/ranges"
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        "affected_versions": []
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      {
        "name": {
          "value": "python3",
          "evidence": "/affected/9/package/name"
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        "prerequisites": [],
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            "evidence": "/affected/9/ranges"
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        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python3-debuginfo",
          "evidence": "/affected/10/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0:3.6.8-77.el8_10",
            "evidence": "/affected/10/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python3-debugsource",
          "evidence": "/affected/11/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0:3.6.8-77.el8_10",
            "evidence": "/affected/11/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python3-libs",
          "evidence": "/affected/12/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0:3.6.8-77.el8_10",
            "evidence": "/affected/12/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python3-test",
          "evidence": "/affected/13/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0:3.6.8-77.el8_10",
            "evidence": "/affected/13/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "RHSA-2026:39320",
      "aliases": [
        "RHSA-2026:39320"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0:3.6.8-77.el8_10"
                }
              ]
            }
          ],
          "package": {
            "name": "platform-python",
            "purl": "pkg:rpm/redhat/platform-python",
            "ecosystem": "Red Hat:enterprise_linux:8::appstream"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:39320.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
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                },
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                }
              ]
            }
          ],
          "package": {
            "name": "platform-python-debug",
            "purl": "pkg:rpm/redhat/platform-python-debug",
            "ecosystem": "Red Hat:enterprise_linux:8::appstream"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:39320.json"
          }
        },
        {
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          ],
          "package": {
            "name": "platform-python-devel",
            "purl": "pkg:rpm/redhat/platform-python-devel",
            "ecosystem": "Red Hat:enterprise_linux:8::appstream"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:39320.json"
          }
        },
        {
          "ranges": [
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          ],
          "package": {
            "name": "python3-debuginfo",
            "purl": "pkg:rpm/redhat/python3-debuginfo",
            "ecosystem": "Red Hat:enterprise_linux:8::appstream"
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          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:39320.json"
          }
        },
        {
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              ]
            }
          ],
          "package": {
            "name": "python3-debugsource",
            "purl": "pkg:rpm/redhat/python3-debugsource",
            "ecosystem": "Red Hat:enterprise_linux:8::appstream"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:39320.json"
          }
        },
        {
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                },
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                }
              ]
            }
          ],
          "package": {
            "name": "python3-idle",
            "purl": "pkg:rpm/redhat/python3-idle",
            "ecosystem": "Red Hat:enterprise_linux:8::appstream"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:39320.json"
          }
        },
        {
          "ranges": [
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            }
          ],
          "package": {
            "name": "python3-test",
            "purl": "pkg:rpm/redhat/python3-test",
            "ecosystem": "Red Hat:enterprise_linux:8::appstream"
          },
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          "package": {
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            "purl": "pkg:rpm/redhat/python3-tkinter",
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          }
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                }
              ]
            }
          ],
          "package": {
            "name": "python3-libs",
            "purl": "pkg:rpm/redhat/python3-libs",
            "ecosystem": "Red Hat:enterprise_linux:8::baseos"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:39320.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
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                },
                {
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                }
              ]
            }
          ],
          "package": {
            "name": "python3-test",
            "purl": "pkg:rpm/redhat/python3-test",
            "ecosystem": "Red Hat:enterprise_linux:8::baseos"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:39320.json"
          }
        }
      ],
      "modified": "2026-10-14T10:19:46Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-15308"
      ],
      "references": [
        "https://access.redhat.com/errata/RHSA-2026:39320",
        "https://access.redhat.com/security/updates/classification/#important",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2498608",
        "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_39320.json",
        "https://access.redhat.com/security/cve/CVE-2026-15308",
        "https://www.cve.org/CVERecord?id=CVE-2026-15308",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-15308",
        "https://github.com/python/cpython/commit/07efb08123ba9367a7107325adb9d5626dca1ca9",
        "https://github.com/python/cpython/commit/7933f4bf7131aa4140750f9404f5de0aa2969ced",
        "https://github.com/python/cpython/commit/bcf98ddbc40ec9b3ee87da0124a5660b19b7e606",
        "https://github.com/python/cpython/commit/e9f92ac0b298292e7ff998e52cb8ccacfb27a0bd",
        "https://github.com/python/cpython/issues/153030",
        "https://github.com/python/cpython/pull/153031",
        "https://mail.python.org/archives/list/security-announce@python.org/thread/F6453LWKSHKCTWFLCOURWPLETNUIW2Z5/"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-15308",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 315885,
  "published_at": "2026-07-15T10:10:21+00:00"
}