Security advisory

{
  "id": "4df4f7315ac47f52f8f383a8892461c9fefb8d59d20e4a7d0d25d088e5f68ed2",
  "url": "https://osv.dev/vulnerability/CVE-2019-19308",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-19308",
    "summary": "In text_to_glyphs in sushi-font-widget.c in gnome-font-viewer 3.34.0, there is a NULL pointer dereference while parsing a TTF font file that lacks a name section (due to a g_strconcat call that returns NULL).",
    "evidence": "osv:CVE-2019-19308",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-19308",
      "aliases": [
        "CVE-2019-19308"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gnome/gnome-font-viewer",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f8c6054ea0c0a9586e1a5c0e6460a4c0168c38af"
                },
                {
                  "last_affected": "f8c6054ea0c0a9586e1a5c0e6460a4c0168c38af"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gnome:gnome-font-viewer:3.34.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.34.0"
                      },
                      {
                        "last_affected": "3.34.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.34.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19308.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:31.676104809Z",
      "provider": "osv",
      "references": [
        "https://github.com/GNOME/gnome-font-viewer/blob/919dfbe684b75904563b8c6723c9778a4e00aad7/src/sushi-font-widget.c#L115-L117",
        "https://gitlab.gnome.org/GNOME/gnome-font-viewer/issues/17"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-19308",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383676,
  "published_at": "2019-11-27T15:15:11.23+00:00"
}