Security advisory

{
  "id": "0aff02b35583cb6f10cb868b81254caf34f107d9b74438634dca1a2f30ba9a39",
  "url": "https://osv.dev/vulnerability/CVE-2019-11503",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-11503",
    "summary": "snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the current working directory of the calling user, aka a \"cwd restore permission bypass.\"",
    "evidence": "osv:CVE-2019-11503",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-11503",
      "aliases": [
        "CVE-2019-11503"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/canonical/snapd",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5a9245de49fc5da82c63c08cb81dca988ad2255b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:canonical:snapd:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.39"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "untagged-ec50ee5bfb45daefc236",
            "2.15.2",
            "2.15",
            "2.14.2.16.04",
            "2.14.1",
            "2.14",
            "2.13",
            "2.12",
            "2.11",
            "2.0.10",
            "2.0.9",
            "2.0.8",
            "2.0.7",
            "2.0.6",
            "2.0.5",
            "2.0.4",
            "2.0.3",
            "2.0",
            "1.9.4",
            "1.9.3",
            "1.9.2",
            "1.9.1",
            "1.9",
            "ppa",
            "1.7.3+20160310ubuntu1",
            "1.7.3+20160308ubuntu1",
            "1.7.3+20160303ubuntu4",
            "1.7.3+20160303ubuntu3",
            "1.7.3+20160303ubuntu2",
            "1.7.3+20160303ubuntu1",
            "1.7.3+20160225ubuntu1",
            "1.7.2+20160223ubuntu1",
            "1.7.2+20160204ubuntu1",
            "1.7.2+20160113ubuntu1",
            "1.7.2ubuntu1",
            "1.7ubuntu1",
            "1.6ubuntu1",
            "1.5ubuntu1",
            "1.4ubuntu1",
            "1.3ubuntu1",
            "1.2-0ubuntu1",
            "1.1.2-0ubuntu1",
            "1.1.1-0ubuntu1",
            "1.1-0ubuntu1",
            "1.0.1-0ubuntu1",
            "1.0-0ubuntu1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11503.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:38.706373129Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6VACEKVQ7UAZ32WO4ZKCFW6YOBSYJ76L/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VPU6APEZHAA7N2AI57OT4J2P7NKHFOLM/",
        "https://github.com/snapcore/snapd/pull/6642",
        "https://www.openwall.com/lists/oss-security/2019/04/18/4"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-11503",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381950,
  "published_at": "2019-04-24T21:29:00.82+00:00"
}