Red Hat Security Advisory: python-tornado security update

{
  "id": "5ad2e9d6a527f415e7da153cb225bb99c4fe2eaf3a79f90210d390785a6640f6",
  "url": "https://osv.dev/vulnerability/RHSA-2026%3A82041",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Red Hat Security Advisory: python-tornado security update",
    "summary": "Red Hat Security Advisory: python-tornado security update",
    "evidence": "osv:RHSA-2026:82041",
    "products": [
      {
        "name": {
          "value": "python-tornado",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0:6.5.10-1.el10_2.1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python-tornado-debugsource",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0:6.5.10-1.el10_2.1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python3-tornado",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0:6.5.10-1.el10_2.1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python3-tornado-debuginfo",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0:6.5.10-1.el10_2.1",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "RHSA-2026:82041",
      "aliases": [
        "RHSA-2026:82041"
      ],
      "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": "0:6.5.10-1.el10_2.1"
                }
              ]
            }
          ],
          "package": {
            "name": "python-tornado",
            "purl": "pkg:rpm/redhat/python-tornado",
            "ecosystem": "Red Hat:enterprise_linux:10.2"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:82041.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
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                }
              ]
            }
          ],
          "package": {
            "name": "python-tornado-debugsource",
            "purl": "pkg:rpm/redhat/python-tornado-debugsource",
            "ecosystem": "Red Hat:enterprise_linux:10.2"
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          "database_specific": {
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          }
        },
        {
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              "type": "ECOSYSTEM",
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                }
              ]
            }
          ],
          "package": {
            "name": "python3-tornado",
            "purl": "pkg:rpm/redhat/python3-tornado",
            "ecosystem": "Red Hat:enterprise_linux:10.2"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:82041.json"
          }
        },
        {
          "ranges": [
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              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0:6.5.10-1.el10_2.1"
                }
              ]
            }
          ],
          "package": {
            "name": "python3-tornado-debuginfo",
            "purl": "pkg:rpm/redhat/python3-tornado-debuginfo",
            "ecosystem": "Red Hat:enterprise_linux:10.2"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:82041.json"
          }
        }
      ],
      "modified": "2026-10-20T10:16:58Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-103262"
      ],
      "references": [
        "https://access.redhat.com/errata/RHSA-2026:82041",
        "https://access.redhat.com/security/updates/classification/#important",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2544534",
        "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_82041.json",
        "https://access.redhat.com/security/cve/CVE-2026-103262",
        "https://www.cve.org/CVERecord?id=CVE-2026-103262",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-103262",
        "https://github.com/tornadoweb/tornado/commit/e412435febba4569c552c5c9054f1bf92bd171a9",
        "https://github.com/tornadoweb/tornado/security/advisories/GHSA-chx6-46f5-w4vp",
        "https://www.vulncheck.com/advisories/tornado-before-6.5.9-denial-of-service-via-curlasynchttpclient"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-103262",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379003,
  "published_at": "2026-10-14T10:32:40+00:00"
}