CVE-2026-6653 in libxml2 - Patched by Root

{
  "id": "63734596c43bc11951fb8e28683fc55a50123add865d5ede393d176cb8719d95",
  "url": "https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2026-6653",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-6653 in libxml2 - Patched by Root",
    "summary": "Root has patched CVE-2026-6653 in the libxml2 package for Root:Debian:12. Multiple fixed versions available.",
    "evidence": "osv:ROOT-OS-DEBIAN-12-CVE-2026-6653",
    "products": [
      {
        "name": {
          "value": "libxml2",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.9.14+dfsg-1.3~deb12u6.root.io.16",
            "evidence": "/affected/0/ranges"
          },
          {
            "value": "2.9.14+dfsg-1.3~deb12u6.aikido.17",
            "evidence": "/affected/0/ranges"
          },
          {
            "value": "2.9.14+dfsg-1.3~deb12u6.aikido.18",
            "evidence": "/affected/0/ranges"
          },
          {
            "value": "2.9.14+dfsg-1.3~deb12u6.aikido.19",
            "evidence": "/affected/0/ranges"
          },
          {
            "value": "2.9.14+dfsg-1.3~deb12u6.aikido.20",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "rootio-libxml2",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.9.14+dfsg-1.3~deb12u6.root.io.16",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "2.9.14+dfsg-1.3~deb12u6.aikido.17",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "2.9.14+dfsg-1.3~deb12u6.aikido.18",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "2.9.14+dfsg-1.3~deb12u6.aikido.19",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "2.9.14+dfsg-1.3~deb12u6.aikido.20",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "ROOT-OS-DEBIAN-12-CVE-2026-6653",
      "aliases": [
        "ROOT-OS-DEBIAN-12-CVE-2026-6653"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.9.14+dfsg-1.3~deb12u6.root.io.16"
                },
                {
                  "fixed": "2.9.14+dfsg-1.3~deb12u6.aikido.17"
                },
                {
                  "fixed": "2.9.14+dfsg-1.3~deb12u6.aikido.18"
                },
                {
                  "fixed": "2.9.14+dfsg-1.3~deb12u6.aikido.19"
                },
                {
                  "fixed": "2.9.14+dfsg-1.3~deb12u6.aikido.20"
                }
              ]
            }
          ],
          "package": {
            "name": "libxml2",
            "ecosystem": "Root:Debian:12"
          },
          "database_specific": {
            "source": "https://api.root.io/external/osv/ROOT-OS-DEBIAN-12-CVE-2026-6653.json",
            "root_patched": true,
            "upstream_version": "2.9.14+dfsg-1.3~deb12u6",
            "all_fixed_versions": [
              "2.9.14+dfsg-1.3~deb12u6.root.io.16",
              "2.9.14+dfsg-1.3~deb12u6.aikido.17",
              "2.9.14+dfsg-1.3~deb12u6.aikido.18",
              "2.9.14+dfsg-1.3~deb12u6.aikido.19",
              "2.9.14+dfsg-1.3~deb12u6.aikido.20"
            ],
            "root_patch_version": "aikido.20",
            "total_fixed_versions": 5
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.9.14+dfsg-1.3~deb12u6.root.io.16"
                },
                {
                  "fixed": "2.9.14+dfsg-1.3~deb12u6.aikido.17"
                },
                {
                  "fixed": "2.9.14+dfsg-1.3~deb12u6.aikido.18"
                },
                {
                  "fixed": "2.9.14+dfsg-1.3~deb12u6.aikido.19"
                },
                {
                  "fixed": "2.9.14+dfsg-1.3~deb12u6.aikido.20"
                }
              ]
            }
          ],
          "package": {
            "name": "rootio-libxml2",
            "ecosystem": "Root:Debian:12"
          },
          "database_specific": {
            "source": "https://api.root.io/external/osv/ROOT-OS-DEBIAN-12-CVE-2026-6653.json",
            "root_patched": true,
            "upstream_version": "2.9.14+dfsg-1.3~deb12u6",
            "all_fixed_versions": [
              "2.9.14+dfsg-1.3~deb12u6.root.io.16",
              "2.9.14+dfsg-1.3~deb12u6.aikido.17",
              "2.9.14+dfsg-1.3~deb12u6.aikido.18",
              "2.9.14+dfsg-1.3~deb12u6.aikido.19",
              "2.9.14+dfsg-1.3~deb12u6.aikido.20"
            ],
            "root_patch_version": "aikido.20",
            "total_fixed_versions": 5
          }
        }
      ],
      "modified": "2026-10-07T09:15:04.098421120Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-6653"
      ],
      "references": [],
      "provider_metadata": {
        "distro": "debian",
        "source": "Root",
        "severity": "CRITICAL",
        "distro_version": "12"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-6653",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/database_specific/severity"
  },
  "source_id": "core-osv",
  "document_id": 94619,
  "published_at": "2026-10-07T08:00:13+00:00"
}