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    2 vulnerabilities found for MuPDF by Artifex Software Inc. *PyMuPDF*

    CVE-2026-3308 (GCVE-0-2026-3308)

    Vulnerability from nvd – Published: 2026-03-31 13:13 – Updated: 2026-04-21 09:32
    VLAI
    Title
    CVE-2026-3308
    Summary
    An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an attacker to maliciously craft a PDF that can trigger an integer overflow within the 'pdf_load_image_imp' function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.
    Severity
    7.8 (High)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    Artifex Software Inc. *PyMuPDF* MuPDF Affected: 0 , ≤ 1.27.0 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-3308",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-01T14:47:30.846054Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-190",
                "description": "CWE-190 Integer Overflow or Wraparound",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-01T14:48:14.433Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2026-04-21T09:32:51.075Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://www.kb.cert.org/vuls/id/951662"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2026/04/msg00020.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "MuPDF",
          "vendor": "Artifex Software Inc. *PyMuPDF*",
          "versions": [
            {
              "lessThanOrEqual": "1.27.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An integer overflow vulnerability in \u0027pdf-image.c\u0027 in Artifex\u0027s MuPDF version 1.27.0 allows an attacker to maliciously craft a PDF that can trigger an integer overflow within the \u0027pdf_load_image_imp\u0027 function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-190 Integer Overflow or Wraparound",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-31T13:13:12.088Z",
        "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "shortName": "certcc"
      },
      "references": [
        {
          "url": "https://github.com/ArtifexSoftware/mupdf/commit/a26f0142e7d390d4a82c6e5ae0e312e07cc4ec85"
        },
        {
          "url": "https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=a26f0142e7d390d4a82c6e5ae0e312e07cc4ec85"
        },
        {
          "url": "https://github.com/ArtifexSoftware/mupdf"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "CVE-2026-3308",
      "x_generator": {
        "engine": "VINCE 3.0.35",
        "env": "prod",
        "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-3308"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
    "assignerShortName": "certcc",
    "cveId": "CVE-2026-3308",
    "datePublished": "2026-03-31T13:13:12.088Z",
    "dateReserved": "2026-02-26T21:04:05.303Z",
    "dateUpdated": "2026-04-21T09:32:51.075Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-3308 (GCVE-0-2026-3308)

    Vulnerability from cvelistv5 – Published: 2026-03-31 13:13 – Updated: 2026-04-21 09:32
    VLAI
    Title
    CVE-2026-3308
    Summary
    An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an attacker to maliciously craft a PDF that can trigger an integer overflow within the 'pdf_load_image_imp' function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.
    Severity
    7.8 (High)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    Artifex Software Inc. *PyMuPDF* MuPDF Affected: 0 , ≤ 1.27.0 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-3308",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-01T14:47:30.846054Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-190",
                "description": "CWE-190 Integer Overflow or Wraparound",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-01T14:48:14.433Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2026-04-21T09:32:51.075Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://www.kb.cert.org/vuls/id/951662"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2026/04/msg00020.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "MuPDF",
          "vendor": "Artifex Software Inc. *PyMuPDF*",
          "versions": [
            {
              "lessThanOrEqual": "1.27.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An integer overflow vulnerability in \u0027pdf-image.c\u0027 in Artifex\u0027s MuPDF version 1.27.0 allows an attacker to maliciously craft a PDF that can trigger an integer overflow within the \u0027pdf_load_image_imp\u0027 function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-190 Integer Overflow or Wraparound",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-31T13:13:12.088Z",
        "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "shortName": "certcc"
      },
      "references": [
        {
          "url": "https://github.com/ArtifexSoftware/mupdf/commit/a26f0142e7d390d4a82c6e5ae0e312e07cc4ec85"
        },
        {
          "url": "https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=a26f0142e7d390d4a82c6e5ae0e312e07cc4ec85"
        },
        {
          "url": "https://github.com/ArtifexSoftware/mupdf"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "CVE-2026-3308",
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    }
  },
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    "assignerShortName": "certcc",
    "cveId": "CVE-2026-3308",
    "datePublished": "2026-03-31T13:13:12.088Z",
    "dateReserved": "2026-02-26T21:04:05.303Z",
    "dateUpdated": "2026-04-21T09:32:51.075Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2"
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