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    Related vulnerabilities

    PYSEC-2026-3794

    Vulnerability from pysec - Published: 2026-08-27 17:20 - Updated: 2026-09-03 10:37
    VLAI
    Details

    openssl_encrypt 1.4.x before 1.4.9 contains an optional D-Bus crypto service whose org.freedesktop.DBus.Properties.Set method performs neither a polkit authorization check nor value validation. Any local user on the system bus can call Set without authorization and set MaxConcurrentOperations (to 0/negative, causing the concurrency gate to refuse all subsequent operations, or to a huge value removing the limit) or the unbounded DefaultTimeout, resulting in a persistent denial of service of the root daemon. The D-Bus service exists only on the 1.4.x line and was removed in 1.5.x.

    Severity
    5.5 (Medium)
    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Impacted products
    Name purl
    openssl-encrypt pkg:pypi/openssl-encrypt
    Aliases
    To clipboard 

    {
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "openssl-encrypt",
        "purl": "pkg:pypi/openssl-encrypt"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.2.2",
        "0.2.3",
        "0.2.4",
        "0.2.5",
        "0.2.6",
        "0.3.0",
        "0.3.1",
        "0.3.2",
        "0.3.3",
        "0.4.0",
        "0.4.1",
        "0.4.2",
        "0.4.3",
        "0.4.4",
        "0.5.0",
        "0.5.1",
        "0.5.3",
        "0.6.0rc1",
        "0.7.0rc2",
        "0.7.1",
        "0.7.2",
        "0.8.0",
        "0.8.1",
        "0.8.2",
        "0.9.2",
        "1.0.0",
        "1.0.1",
        "1.0.2",
        "1.0.3",
        "1.1.0",
        "1.2.0",
        "1.2.1",
        "1.3.0",
        "1.3.1",
        "1.3.2",
        "1.3.3",
        "1.3.4",
        "1.3.5",
        "1.4.0",
        "1.4.0b3",
        "1.4.0b4",
        "1.4.0b5",
        "1.4.0b6",
        "1.4.0b7",
        "1.4.0b8",
        "1.4.1",
        "1.4.1rc2",
        "1.4.2",
        "1.4.4",
        "1.4.5",
        "1.4.6",
        "1.4.7",
        "1.4.8"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-81686",
    "GHSA-7fhx-8rmv-qjj3"
  ],
  "details": "openssl_encrypt 1.4.x before 1.4.9 contains an optional D-Bus crypto service whose org.freedesktop.DBus.Properties.Set method performs neither a polkit authorization check nor value validation. Any local user on the system bus can call Set without authorization and set MaxConcurrentOperations (to 0/negative, causing the concurrency gate to refuse all subsequent operations, or to a huge value removing the limit) or the unbounded DefaultTimeout, resulting in a persistent denial of service of the root daemon. The D-Bus service exists only on the 1.4.x line and was removed in 1.5.x.",
  "id": "PYSEC-2026-3794",
  "modified": "2026-09-03T10:37:18.067316Z",
  "published": "2026-08-27T17:20:58.257Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-7fhx-8rmv-qjj3"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/openssl-encrypt-before-1.4.9-d-bus-properties-authorization-bypass"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}