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fontforge — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2025-50949

FontForge v20230101 was discovered to contain a memory leak via the component DlgCreate8.

Products
fontforge
Affected versions
1:20161005~dfsg-4+deb9u1ubuntu1, 1:20170731~dfsg-1, 1:20170731~dfsg-1build1, 1:20170731~dfsg-1ubuntu0.1~esm1, 1:20170731~dfsg-2, 1:20190801~dfsg-2, 1:20190801~dfsg-2ubuntu1, 1:20190801~dfsg-4, 1:20190801~dfsg-4ubuntu0.1, 1:20201107~dfsg-4, 1:20201107~dfsg-4+deb11u1build0.22.04.1, 1:20201107~dfsg-4build1, 1:20230101~dfsg-1.1, 1:20230101~dfsg-1.1build1, 1:20230101~dfsg-1build1, 1:20230101~dfsg-1build2, 1:20230101~dfsg-4build1, 1:20230101~dfsg-4build2, 1:20230101~dfsg-7, 1:20230101~dfsg-8, 1:20230101~dfsg-8build1, 1:20230101~dfsg-9, 1:20251009+git20260808~dfsg-2, 20120731.b-5, 20120731.b-5ubuntu1, 20120731.b-7.1, 20120731.b-7.1ubuntu0.1, 20120731.b-7.1ubuntu0.1+esm1
Fixed versions
Not specified
CVEs
CVE-2025-50949
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 01:33 UTC · Revision 1

Source evidence

UBUNTU-CVE-2025-50949

core-osv · Original source

Published 23 Oct 2025, 16:15 UTC

FontForge v20230101 was discovered to contain a memory leak via the component DlgCreate8.

osv:UBUNTU-CVE-2025-50949

fontforge

Fixed versions: Not specified

fontforge

Fixed versions: Not specified

fontforge

Fixed versions: Not specified

fontforge

Fixed versions: Not specified

fontforge

Fixed versions: Not specified

fontforge

Fixed versions: Not specified

fontforge

Fixed versions: Not specified

fontforge

Fixed versions: Not specified

Complete source record
{
  "id": "352e087a2986e615df4715286485fcfa1cc915bb6a02226c8b10e8f23925b013",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2025-50949",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2025-50949",
    "summary": "FontForge v20230101 was discovered to contain a memory leak via the component DlgCreate8.",
    "evidence": "osv:UBUNTU-CVE-2025-50949",
    "products": [
      {
        "name": {
          "value": "fontforge",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "20120731.b-5",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "20120731.b-5ubuntu1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "20120731.b-7.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "20120731.b-7.1ubuntu0.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "20120731.b-7.1ubuntu0.1+esm1",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "fontforge",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:20161005~dfsg-4+deb9u1ubuntu1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1:20170731~dfsg-1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "1:20170731~dfsg-1ubuntu0.1~esm1",
            "evidence": "/affected/1/versions"
          }
        ]
      },
      {
        "name": {
          "value": "fontforge",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:20170731~dfsg-1build1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1:20170731~dfsg-2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1:20190801~dfsg-2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1:20190801~dfsg-2ubuntu1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1:20190801~dfsg-4",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "1:20190801~dfsg-4ubuntu0.1",
            "evidence": "/affected/2/versions"
          }
        ]
      },
      {
        "name": {
          "value": "fontforge",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:20201107~dfsg-4",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1:20201107~dfsg-4build1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "1:20201107~dfsg-4+deb11u1build0.22.04.1",
            "evidence": "/affected/3/versions"
          }
        ]
      },
      {
        "name": {
          "value": "fontforge",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:20230101~dfsg-1build1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "1:20230101~dfsg-1build2",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "1:20230101~dfsg-1.1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "1:20230101~dfsg-1.1build1",
            "evidence": "/affected/4/versions"
          }
        ]
      },
      {
        "name": {
          "value": "fontforge",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:20230101~dfsg-4build1",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "1:20230101~dfsg-4build2",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "1:20230101~dfsg-7",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "1:20230101~dfsg-8",
            "evidence": "/affected/5/versions"
          }
        ]
      },
      {
        "name": {
          "value": "fontforge",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:20230101~dfsg-8build1",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "1:20230101~dfsg-9",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "1:20251009+git20260808~dfsg-2",
            "evidence": "/affected/6/versions"
          }
        ]
      },
      {
        "name": {
          "value": "fontforge",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1:20230101~dfsg-8",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "1:20230101~dfsg-8build1",
            "evidence": "/affected/7/versions"
          }
        ]
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "UBUNTU-CVE-2025-50949",
      "aliases": [
        "UBUNTU-CVE-2025-50949"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        },
        {
          "type": "Ubuntu",
          "score": "low"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "fontforge",
            "purl": "pkg:deb/ubuntu/fontforge?arch=source&distro=esm-apps%2Fxenial",
            "ecosystem": "Ubuntu:Pro:16.04:LTS"
          },
          "versions": [
            "20120731.b-5",
            "20120731.b-5ubuntu1",
            "20120731.b-7.1",
            "20120731.b-7.1ubuntu0.1",
            "20120731.b-7.1ubuntu0.1+esm1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-50949.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "fontforge",
                "binary_version": "20120731.b-7.1ubuntu0.1+esm1"
              },
              {
                "binary_name": "fontforge-common",
                "binary_version": "20120731.b-7.1ubuntu0.1+esm1"
              },
              {
                "binary_name": "fontforge-nox",
                "binary_version": "20120731.b-7.1ubuntu0.1+esm1"
              },
              {
                "binary_name": "libfontforge1",
                "binary_version": "20120731.b-7.1ubuntu0.1+esm1"
              },
              {
                "binary_name": "libgdraw4",
                "binary_version": "20120731.b-7.1ubuntu0.1+esm1"
              },
              {
                "binary_name": "python-fontforge",
                "binary_version": "20120731.b-7.1ubuntu0.1+esm1"
              }
            ],
            "priority_reason": "Small memory leak issue"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "fontforge",
            "purl": "pkg:deb/ubuntu/fontforge?arch=source&distro=esm-apps%2Fbionic",
            "ecosystem": "Ubuntu:Pro:18.04:LTS"
          },
          "versions": [
            "1:20161005~dfsg-4+deb9u1ubuntu1",
            "1:20170731~dfsg-1",
            "1:20170731~dfsg-1ubuntu0.1~esm1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-50949.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "fontforge",
                "binary_version": "1:20170731~dfsg-1ubuntu0.1~esm1"
              },
              {
                "binary_name": "fontforge-common",
                "binary_version": "1:20170731~dfsg-1ubuntu0.1~esm1"
              },
              {
                "binary_name": "fontforge-nox",
                "binary_version": "1:20170731~dfsg-1ubuntu0.1~esm1"
              },
              {
                "binary_name": "libfontforge2",
                "binary_version": "1:20170731~dfsg-1ubuntu0.1~esm1"
              },
              {
                "binary_name": "libgdraw5",
                "binary_version": "1:20170731~dfsg-1ubuntu0.1~esm1"
              },
              {
                "binary_name": "python-fontforge",
                "binary_version": "1:20170731~dfsg-1ubuntu0.1~esm1"
              }
            ],
            "priority_reason": "Small memory leak issue"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
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          ],
          "package": {
            "name": "fontforge",
            "purl": "pkg:deb/ubuntu/fontforge?arch=source&distro=focal",
            "ecosystem": "Ubuntu:20.04:LTS"
          },
          "versions": [
            "1:20170731~dfsg-1build1",
            "1:20170731~dfsg-2",
            "1:20190801~dfsg-2",
            "1:20190801~dfsg-2ubuntu1",
            "1:20190801~dfsg-4",
            "1:20190801~dfsg-4ubuntu0.1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-50949.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "fontforge",
                "binary_version": "1:20190801~dfsg-4ubuntu0.1"
              },
              {
                "binary_name": "fontforge-common",
                "binary_version": "1:20190801~dfsg-4ubuntu0.1"
              },
              {
                "binary_name": "fontforge-extras",
                "binary_version": "1:20190801~dfsg-4ubuntu0.1"
              },
              {
                "binary_name": "fontforge-nox",
                "binary_version": "1:20190801~dfsg-4ubuntu0.1"
              },
              {
                "binary_name": "libfontforge3",
                "binary_version": "1:20190801~dfsg-4ubuntu0.1"
              },
              {
                "binary_name": "libgdraw6",
                "binary_version": "1:20190801~dfsg-4ubuntu0.1"
              },
              {
                "binary_name": "python3-fontforge",
                "binary_version": "1:20190801~dfsg-4ubuntu0.1"
              }
            ],
            "priority_reason": "Small memory leak issue"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "fontforge",
            "purl": "pkg:deb/ubuntu/fontforge?arch=source&distro=jammy",
            "ecosystem": "Ubuntu:22.04:LTS"
          },
          "versions": [
            "1:20201107~dfsg-4",
            "1:20201107~dfsg-4build1",
            "1:20201107~dfsg-4+deb11u1build0.22.04.1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-50949.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "fontforge",
                "binary_version": "1:20201107~dfsg-4+deb11u1build0.22.04.1"
              },
              {
                "binary_name": "fontforge-common",
                "binary_version": "1:20201107~dfsg-4+deb11u1build0.22.04.1"
              },
              {
                "binary_name": "fontforge-extras",
                "binary_version": "1:20201107~dfsg-4+deb11u1build0.22.04.1"
              },
              {
                "binary_name": "fontforge-nox",
                "binary_version": "1:20201107~dfsg-4+deb11u1build0.22.04.1"
              },
              {
                "binary_name": "libfontforge4",
                "binary_version": "1:20201107~dfsg-4+deb11u1build0.22.04.1"
              },
              {
                "binary_name": "python3-fontforge",
                "binary_version": "1:20201107~dfsg-4+deb11u1build0.22.04.1"
              }
            ],
            "priority_reason": "Small memory leak issue"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "fontforge",
            "purl": "pkg:deb/ubuntu/fontforge?arch=source&distro=noble",
            "ecosystem": "Ubuntu:24.04:LTS"
          },
          "versions": [
            "1:20230101~dfsg-1build1",
            "1:20230101~dfsg-1build2",
            "1:20230101~dfsg-1.1",
            "1:20230101~dfsg-1.1build1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-50949.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "fontforge",
                "binary_version": "1:20230101~dfsg-1.1build1"
              },
              {
                "binary_name": "fontforge-common",
                "binary_version": "1:20230101~dfsg-1.1build1"
              },
              {
                "binary_name": "fontforge-extras",
                "binary_version": "1:20230101~dfsg-1.1build1"
              },
              {
                "binary_name": "fontforge-nox",
                "binary_version": "1:20230101~dfsg-1.1build1"
              },
              {
                "binary_name": "libfontforge4",
                "binary_version": "1:20230101~dfsg-1.1build1"
              },
              {
                "binary_name": "python3-fontforge",
                "binary_version": "1:20230101~dfsg-1.1build1"
              }
            ],
            "priority_reason": "Small memory leak issue"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "fontforge",
            "purl": "pkg:deb/ubuntu/fontforge?arch=source&distro=questing",
            "ecosystem": "Ubuntu:25.10"
          },
          "versions": [
            "1:20230101~dfsg-4build1",
            "1:20230101~dfsg-4build2",
            "1:20230101~dfsg-7",
            "1:20230101~dfsg-8"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-50949.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "fontforge",
                "binary_version": "1:20230101~dfsg-8"
              },
              {
                "binary_name": "fontforge-common",
                "binary_version": "1:20230101~dfsg-8"
              },
              {
                "binary_name": "fontforge-extras",
                "binary_version": "1:20230101~dfsg-8"
              },
              {
                "binary_name": "fontforge-nox",
                "binary_version": "1:20230101~dfsg-8"
              },
              {
                "binary_name": "libfontforge4",
                "binary_version": "1:20230101~dfsg-8"
              },
              {
                "binary_name": "python3-fontforge",
                "binary_version": "1:20230101~dfsg-8"
              }
            ],
            "priority_reason": "Small memory leak issue"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "fontforge",
            "purl": "pkg:deb/ubuntu/fontforge?arch=source&distro=stonking",
            "ecosystem": "Ubuntu:26.10"
          },
          "versions": [
            "1:20230101~dfsg-8build1",
            "1:20230101~dfsg-9",
            "1:20251009+git20260808~dfsg-2"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-50949.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "fontforge",
                "binary_version": "1:20251009+git20260808~dfsg-2"
              },
              {
                "binary_name": "fontforge-common",
                "binary_version": "1:20251009+git20260808~dfsg-2"
              },
              {
                "binary_name": "fontforge-extras",
                "binary_version": "1:20251009+git20260808~dfsg-2"
              },
              {
                "binary_name": "fontforge-nox",
                "binary_version": "1:20251009+git20260808~dfsg-2"
              },
              {
                "binary_name": "libfontforge4",
                "binary_version": "1:20251009+git20260808~dfsg-2"
              },
              {
                "binary_name": "python3-fontforge",
                "binary_version": "1:20251009+git20260808~dfsg-2"
              }
            ],
            "priority_reason": "Small memory leak issue"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "fontforge",
            "purl": "pkg:deb/ubuntu/fontforge?arch=source&distro=resolute",
            "ecosystem": "Ubuntu:26.04:LTS"
          },
          "versions": [
            "1:20230101~dfsg-8",
            "1:20230101~dfsg-8build1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-50949.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "fontforge",
                "binary_version": "1:20230101~dfsg-8build1"
              },
              {
                "binary_name": "fontforge-common",
                "binary_version": "1:20230101~dfsg-8build1"
              },
              {
                "binary_name": "fontforge-extras",
                "binary_version": "1:20230101~dfsg-8build1"
              },
              {
                "binary_name": "fontforge-nox",
                "binary_version": "1:20230101~dfsg-8build1"
              },
              {
                "binary_name": "libfontforge4",
                "binary_version": "1:20230101~dfsg-8build1"
              },
              {
                "binary_name": "python3-fontforge",
                "binary_version": "1:20230101~dfsg-8build1"
              }
            ],
            "priority_reason": "Small memory leak issue"
          }
        }
      ],
      "modified": "2026-10-17T12:57:05.843088006Z",
      "provider": "osv",
      "upstream": [
        "CVE-2025-50949"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2025-50949",
        "https://www.cve.org/CVERecord?id=CVE-2025-50949",
        "https://github.com/fontforge/fontforge/pull/5491"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2025-50949",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 356717,
  "published_at": "2025-10-23T16:15:00+00:00"
}