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CVE-2025-6966 Null-pointer dereference in python-apt TagSection.keys()

🗓️ 05 Dec 2025 12:59:41Reported by canonicalType 
cvelist
 cvelist
🔗 www.cve.org👁 21 Views

Null pointer dereference in python-apt TagSection.keys enables local denial of service via crafted deb822 with a non unicode key.

Related
Affected
Refs
[
  {
    "collectionURL": "https://launchpad.net/ubuntu/+source/python-apt",
    "defaultStatus": "unaffected",
    "packageName": "python-apt",
    "platforms": [
      "Linux"
    ],
    "product": "python-apt",
    "vendor": "Canonical",
    "versions": [
      {
        "status": "affected",
        "version": "3.0",
        "lessThan": "3.0.0ubuntu1.1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "3.0",
        "lessThan": "3.0.0ubuntu0.25.04.1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "2.7",
        "lessThan": "2.7.7ubuntu5.1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "2.4",
        "lessThan": "2.4.0ubuntu4.1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "2.0",
        "lessThan": "2.0.1ubuntu0.20.04.1+esm1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "1.6",
        "lessThan": "1.6.6ubuntu0.1~esm1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "1.1",
        "lessThan": "1.1.0~beta1ubuntu0.16.04.12+esm1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "0",
        "lessThan": "0.9.3.5ubuntu3+esm5",
        "versionType": "custom"
      }
    ]
  }
]

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