USN-7886-2 (UBUNTU-CVE-2025-6075)

Vulnerability from osv_ubuntu – Published: 2025-11-26 20:22 – Updated: 2026-04-27 14:11 – Source website
VLAI
Summary
python3.13 vulnerabilities
Details

USN-7886-1 fixed vulnerabilities in Python. This update provides the corresponding updates for python3.13 in Ubuntu 25.04 and Ubuntu 25.10.

Original advisory details:

It was discovered that Python inefficiently handled expanding system environment variables. An attacker could possibly use this issue to cause Python to consume excessive resources, leading to a denial of service. (CVE-2025-6075)

Caleb Brown discovered that Python incorrectly handled the ZIP64 End of Central Directory (EOCD) Locator record offset value. An attacker could possibly use this issue to obfuscate malicious content. (CVE-2025-8291)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-6075",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-8291",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:25.10"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "idle-python3.13",
            "binary_version": "3.13.7-1ubuntu0.1"
          },
          {
            "binary_name": "libpython3.13",
            "binary_version": "3.13.7-1ubuntu0.1"
          },
          {
            "binary_name": "libpython3.13-minimal",
            "binary_version": "3.13.7-1ubuntu0.1"
          },
          {
            "binary_name": "libpython3.13-stdlib",
            "binary_version": "3.13.7-1ubuntu0.1"
          },
          {
            "binary_name": "libpython3.13-testsuite",
            "binary_version": "3.13.7-1ubuntu0.1"
          },
          {
            "binary_name": "python3.13",
            "binary_version": "3.13.7-1ubuntu0.1"
          },
          {
            "binary_name": "python3.13-examples",
            "binary_version": "3.13.7-1ubuntu0.1"
          },
          {
            "binary_name": "python3.13-full",
            "binary_version": "3.13.7-1ubuntu0.1"
          },
          {
            "binary_name": "python3.13-gdbm",
            "binary_version": "3.13.7-1ubuntu0.1"
          },
          {
            "binary_name": "python3.13-minimal",
            "binary_version": "3.13.7-1ubuntu0.1"
          },
          {
            "binary_name": "python3.13-nopie",
            "binary_version": "3.13.7-1ubuntu0.1"
          },
          {
            "binary_name": "python3.13-tk",
            "binary_version": "3.13.7-1ubuntu0.1"
          },
          {
            "binary_name": "python3.13-venv",
            "binary_version": "3.13.7-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "python3.13",
        "purl": "pkg:deb/ubuntu/python3.13@3.13.7-1ubuntu0.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.13.7-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.13.3-1",
        "3.13.3-2",
        "3.13.3-4",
        "3.13.4-1",
        "3.13.5-1",
        "3.13.5-2",
        "3.13.6-1",
        "3.13.7-1"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-7886-1 fixed vulnerabilities in Python. This update provides the\ncorresponding updates for python3.13 in Ubuntu 25.04 and Ubuntu 25.10.\n\nOriginal advisory details:\n\n It was discovered that Python inefficiently handled expanding system\n environment variables. An attacker could possibly use this issue to cause\n Python to consume excessive resources, leading to a denial of service.\n (CVE-2025-6075)\n\n Caleb Brown discovered that Python incorrectly handled the ZIP64 End of\n Central Directory (EOCD) Locator record offset value. An attacker could\n possibly use this issue to obfuscate malicious content. (CVE-2025-8291)",
  "id": "USN-7886-2",
  "modified": "2026-04-27T14:11:47Z",
  "published": "2025-11-26T20:22:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7886-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-6075"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-8291"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "python3.13 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2025-6075",
    "UBUNTU-CVE-2025-8291"
  ]
}



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