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High

Security advisory

Type: advisorySources: OSVCVE: CVE-2017-5180

Firejail before 0.9.44.4 and 0.9.38.x LTS before 0.9.38.8 LTS does not consider the .Xauthority case during its attempt to prevent accessing user files with an euid of zero, which allows local users to conduct sandbox-escape attacks via vectors involving a symlink and the --private option.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2017-5180
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 06:35 UTC · Revision 1

Source evidence

CVE-2017-5180

core-osv · Original source

Published 9 Feb 2017, 18:59 UTC

Firejail before 0.9.44.4 and 0.9.38.x LTS before 0.9.38.8 LTS does not consider the .Xauthority case during its attempt to prevent accessing user files with an euid of zero, which allows local users to conduct sandbox-escape attacks via vectors involving a symlink and the --private option.

osv:CVE-2017-5180
Complete source record
{
  "id": "95776a24fc8cf3496d5887e9777d48d0f61d3cd9eab603f6f935a39cef515d3a",
  "url": "https://osv.dev/vulnerability/CVE-2017-5180",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-5180",
    "summary": "Firejail before 0.9.44.4 and 0.9.38.x LTS before 0.9.38.8 LTS does not consider the .Xauthority case during its attempt to prevent accessing user files with an euid of zero, which allows local users to conduct sandbox-escape attacks via vectors involving a symlink and the --private option.",
    "evidence": "osv:CVE-2017-5180",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-5180",
      "aliases": [
        "CVE-2017-5180"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/netblue30/firejail",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "e0422ca2be6482f375400562b68e9d72d739964b"
                },
                {
                  "introduced": "8fd8fe3035f6ee353430032d0079420d4bfeaf2f"
                },
                {
                  "fixed": "193efefbd2f2e98d4baa3c4d1b6322bb1ea1fee1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:firejail_project:firejail:*:*:*:*:-:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.9.44.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:firejail_project:firejail:*:*:*:*:lts:*:*:*",
                    "range": [
                      {
                        "introduced": "0.9.38"
                      },
                      {
                        "fixed": "0.9.38.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.9.44.2",
            "0.9.44",
            "0.9.38.4",
            "0.9.44-rc1",
            "0.9.42",
            "0.9.38.2",
            "0.9.42-rc2",
            "0.9.38",
            "0.9.42-rc1",
            "disable-globalcfg",
            "0.9.40",
            "0.9.40-rc1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-5180.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:41.876007683Z",
      "provider": "osv",
      "references": [
        "https://firejail.wordpress.com/download-2/release-notes/",
        "https://security.gentoo.org/glsa/201701-62"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-5180",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 435223,
  "published_at": "2017-02-09T18:59:00.127+00:00"
}