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python-biopython — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2025-68463

Bio.Entrez in Biopython through 186 allows doctype XXE.

Products
python-biopython
Affected versions
1.65+dfsg-1, 1.65+dfsg-3build1, 1.66+dfsg-1, 1.66+dfsg-1build1, 1.70+dfsg-2build1, 1.70+dfsg-3, 1.70+dfsg-4, 1.73+dfsg-1ubuntu1, 1.73+dfsg-1ubuntu4, 1.75+dfsg-4, 1.76+dfsg-1, 1.78+dfsg-5ubuntu1, 1.79+dfsg-1, 1.79+dfsg-2, 1.79+dfsg-2build1, 1.79+dfsg-3, 1.81+dfsg-1, 1.81+dfsg-2, 1.81+dfsg-3, 1.83+dfsg1-1, 1.85+dfsg-2build1, 1.85+dfsg-4, 1.86+dfsg-1, 1.86+dfsg-1ubuntu1, 1.88+dfsg-1
Fixed versions
Not specified
CVEs
CVE-2025-68463
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 01:49 UTC · Revision 1

Source evidence

UBUNTU-CVE-2025-68463

core-osv · Original source

Published 18 Dec 2025, 06:15 UTC

Bio.Entrez in Biopython through 186 allows doctype XXE.

osv:UBUNTU-CVE-2025-68463

python-biopython

Fixed versions: Not specified

python-biopython

Fixed versions: Not specified

python-biopython

Fixed versions: Not specified

python-biopython

Fixed versions: Not specified

python-biopython

Fixed versions: Not specified

python-biopython

Fixed versions: Not specified

python-biopython

Fixed versions: Not specified

python-biopython

Fixed versions: Not specified

Complete source record
{
  "id": "1714424bd9f0a0e8f9fa2befc71426e1c640ef344592225c77a9c55d2304a73f",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2025-68463",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2025-68463",
    "summary": "Bio.Entrez in Biopython through 186 allows doctype XXE.",
    "evidence": "osv:UBUNTU-CVE-2025-68463",
    "products": [
      {
        "name": {
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          "evidence": "/affected/0/package/name"
        },
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        "affected_versions": [
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            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.65+dfsg-3build1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.66+dfsg-1",
            "evidence": "/affected/0/versions"
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          {
            "value": "1.66+dfsg-1build1",
            "evidence": "/affected/0/versions"
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      {
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            "evidence": "/affected/2/versions"
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            "value": "1.75+dfsg-4",
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            "evidence": "/affected/3/versions"
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        "affected_versions": [
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            "value": "1.85+dfsg-2build1",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "1.85+dfsg-4",
            "evidence": "/affected/5/versions"
          }
        ]
      },
      {
        "name": {
          "value": "python-biopython",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.86+dfsg-1ubuntu1",
            "evidence": "/affected/6/versions"
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            "evidence": "/affected/7/versions"
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          {
            "value": "1.86+dfsg-1ubuntu1",
            "evidence": "/affected/7/versions"
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    ],
    "severity": "medium",
    "structured": {
      "id": "UBUNTU-CVE-2025-68463",
      "aliases": [
        "UBUNTU-CVE-2025-68463"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L"
        },
        {
          "type": "Ubuntu",
          "score": "medium"
        }
      ],
      "affected": [
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          },
          "versions": [
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            "1.65+dfsg-3build1",
            "1.66+dfsg-1",
            "1.66+dfsg-1build1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-68463.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "python-biopython",
                "binary_version": "1.66+dfsg-1build1"
              },
              {
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          "package": {
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            "ecosystem": "Ubuntu:18.04:LTS"
          },
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            "1.70+dfsg-3",
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          },
          "versions": [
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          },
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          ],
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          "versions": [
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      ],
      "modified": "2026-10-17T12:57:30.450006066Z",
      "provider": "osv",
      "upstream": [
        "CVE-2025-68463"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2025-68463",
        "https://www.cve.org/CVERecord?id=CVE-2025-68463",
        "https://github.com/biopython/biopython/issues/5109"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2025-68463",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 357632,
  "published_at": "2025-12-18T06:15:00+00:00"
}