Security advisory

{
  "id": "3a1d93b4ea8c2d7fff617b3169a7d07a77b6844433edb4c5179ca023bc5e8549",
  "url": "https://osv.dev/vulnerability/CVE-2019-12779",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-12779",
    "summary": "libqb before 1.0.5 allows local users to overwrite arbitrary files via a symlink attack, because it uses predictable filenames (under /dev/shm and /tmp) without O_EXCL.",
    "evidence": "osv:CVE-2019-12779",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-12779",
      "aliases": [
        "CVE-2019-12779"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/clusterlabs/libqb",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "d08dbcf08b0da418bce9b5427dfd89522916322a"
                },
                {
                  "fixed": "dc78f42226180cc065abf8ad265ef6a837026564"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:clusterlabs:libqb:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.0.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "dc78f42226180cc065abf8ad265ef6a837026564"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v1.0.4"
                  },
                  {
                    "range": [
                      {
                        "fixed": "d08dbcf08b0da418bce9b5427dfd89522916322a"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v1.0.5"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.0.3",
            "v1.0.2",
            "v1.0.1",
            "v1.0",
            "v1.0rc4",
            "v1.0rc3",
            "v1.0rc2",
            "v1.0rc1",
            "v0.17.2",
            "v0.17.1",
            "v0.17.1-rc1",
            "v0.17.0.rc1",
            "v0.17.0",
            "v0.16.0",
            "v0.15.0",
            "v0.14.4",
            "v0.14.3",
            "v0.14.2",
            "v0.14.1",
            "v0.14.0",
            "v0.13.0",
            "v0.12.0",
            "v0.11.1",
            "v0.11.0",
            "v0.10.1",
            "v0.10.0",
            "v0.9.0",
            "v0.8.1",
            "v0.8.0",
            "v0.7.0",
            "v0.5.1",
            "v0.5.0",
            "v0.4.1",
            "v0.4.0",
            "v0.3.0",
            "v0.2.0",
            "v0.1.0",
            "libqb-0.1.0",
            "libqb-0.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-12779.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:40.912312875Z",
      "provider": "osv",
      "references": [
        "https://access.redhat.com/errata/RHSA-2019:3610",
        "https://github.com/ClusterLabs/libqb/releases/tag/v1.0.4",
        "https://github.com/ClusterLabs/libqb/releases/tag/v1.0.5",
        "https://security.gentoo.org/glsa/202107-03",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1695948",
        "https://github.com/ClusterLabs/libqb/issues/338"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-12779",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381990,
  "published_at": "2019-06-07T20:29:00.857+00:00"
}