Refine your search

2 vulnerabilities found for fonttools by fonttools

CVE-2025-66034 (GCVE-0-2025-66034)
Vulnerability from nvd
Published
2025-11-29 01:07
Modified
2025-12-01 14:11
CWE
  • CWE-91 - XML Injection (aka Blind XPath Injection)
Summary
fontTools is a library for manipulating fonts, written in Python. In versions from 4.33.0 to before 4.60.2, the fonttools varLib (or python3 -m fontTools.varLib) script has an arbitrary file write vulnerability that leads to remote code execution when a malicious .designspace file is processed. The vulnerability affects the main() code path of fontTools.varLib, used by the fonttools varLib CLI and any code that invokes fontTools.varLib.main(). This issue has been patched in version 4.60.2.
Impacted products
Vendor Product Version
fonttools fonttools Version: >= 4.33.0, < 4.60.2
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-66034",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-01T13:56:29.413544Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-01T14:11:17.657Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/fonttools/fonttools/security/advisories/GHSA-768j-98cg-p3fv"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "fonttools",
          "vendor": "fonttools",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 4.33.0, \u003c 4.60.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "fontTools is a library for manipulating fonts, written in Python. In versions from 4.33.0 to before 4.60.2, the fonttools varLib (or python3 -m fontTools.varLib) script has an arbitrary file write vulnerability that leads to remote code execution when a malicious .designspace file is processed. The vulnerability affects the main() code path of fontTools.varLib, used by the fonttools varLib CLI and any code that invokes fontTools.varLib.main(). This issue has been patched in version 4.60.2."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-91",
              "description": "CWE-91: XML Injection (aka Blind XPath Injection)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-29T01:07:12.193Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/fonttools/fonttools/security/advisories/GHSA-768j-98cg-p3fv",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/fonttools/fonttools/security/advisories/GHSA-768j-98cg-p3fv"
        },
        {
          "name": "https://github.com/fonttools/fonttools/commit/a696d5ba93270d5954f98e7cab5ddca8a02c1e32",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/fonttools/fonttools/commit/a696d5ba93270d5954f98e7cab5ddca8a02c1e32"
        }
      ],
      "source": {
        "advisory": "GHSA-768j-98cg-p3fv",
        "discovery": "UNKNOWN"
      },
      "title": "fontTools is Vulnerable to Arbitrary File Write and XML injection in fontTools.varLib"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-66034",
    "datePublished": "2025-11-29T01:07:12.193Z",
    "dateReserved": "2025-11-21T01:08:02.615Z",
    "dateUpdated": "2025-12-01T14:11:17.657Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2025-66034 (GCVE-0-2025-66034)
Vulnerability from cvelistv5
Published
2025-11-29 01:07
Modified
2025-12-01 14:11
CWE
  • CWE-91 - XML Injection (aka Blind XPath Injection)
Summary
fontTools is a library for manipulating fonts, written in Python. In versions from 4.33.0 to before 4.60.2, the fonttools varLib (or python3 -m fontTools.varLib) script has an arbitrary file write vulnerability that leads to remote code execution when a malicious .designspace file is processed. The vulnerability affects the main() code path of fontTools.varLib, used by the fonttools varLib CLI and any code that invokes fontTools.varLib.main(). This issue has been patched in version 4.60.2.
Impacted products
Vendor Product Version
fonttools fonttools Version: >= 4.33.0, < 4.60.2
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-66034",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-01T13:56:29.413544Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-01T14:11:17.657Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/fonttools/fonttools/security/advisories/GHSA-768j-98cg-p3fv"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "fonttools",
          "vendor": "fonttools",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 4.33.0, \u003c 4.60.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "fontTools is a library for manipulating fonts, written in Python. In versions from 4.33.0 to before 4.60.2, the fonttools varLib (or python3 -m fontTools.varLib) script has an arbitrary file write vulnerability that leads to remote code execution when a malicious .designspace file is processed. The vulnerability affects the main() code path of fontTools.varLib, used by the fonttools varLib CLI and any code that invokes fontTools.varLib.main(). This issue has been patched in version 4.60.2."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-91",
              "description": "CWE-91: XML Injection (aka Blind XPath Injection)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-29T01:07:12.193Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/fonttools/fonttools/security/advisories/GHSA-768j-98cg-p3fv",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/fonttools/fonttools/security/advisories/GHSA-768j-98cg-p3fv"
        },
        {
          "name": "https://github.com/fonttools/fonttools/commit/a696d5ba93270d5954f98e7cab5ddca8a02c1e32",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/fonttools/fonttools/commit/a696d5ba93270d5954f98e7cab5ddca8a02c1e32"
        }
      ],
      "source": {
        "advisory": "GHSA-768j-98cg-p3fv",
        "discovery": "UNKNOWN"
      },
      "title": "fontTools is Vulnerable to Arbitrary File Write and XML injection in fontTools.varLib"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-66034",
    "datePublished": "2025-11-29T01:07:12.193Z",
    "dateReserved": "2025-11-21T01:08:02.615Z",
    "dateUpdated": "2025-12-01T14:11:17.657Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}