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GHSA-575M-C8QR-PCG3

Vulnerability from github – Published: 2026-06-13 00:34 – Updated: 2026-06-13 00:34

Details

This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70.104.

Severity

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2025-14098"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-12T23:16:27Z",
    "severity": "HIGH"
  },
  "details": "Heap buffer out-of-bounds write vulnerability due to integer overflow in Avira Antivirus engine when scanning a malformed MS-DOS executable file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process.\n\nThis issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70.104.",
  "id": "GHSA-575m-c8qr-pcg3",
  "modified": "2026-06-13T00:34:33Z",
  "published": "2026-06-13T00:34:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-14098"
    },
    {
      "type": "WEB",
      "url": "https://www.gendigital.com/us/en/contact-us/security-advisories"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-14098 (GCVE-0-2025-14098)

Vulnerability from cvelistv5 – Published: 2026-06-12 22:16 – Updated: 2026-06-12 22:16

Title

Avira antivirus engine heap buffer OOB write when scanning a malformed MS-DOS executable file

Summary

Heap buffer out-of-bounds write vulnerability due to integer overflow in Avira Antivirus engine when scanning a malformed MS-DOS executable file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70.104.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE

CWE-787 - Out-of-bounds Write
CWE-190 - Integer Overflow or Wraparound

Assigner

GEN

References

1 reference

URL	Tags
https://www.gendigital.com/us/en/contact-us/secur…

Impacted products

1 product

Vendor	Product	Version
Gen Digital	Avira Antivirus	Affected: 0 , < 8.3.70.104 (custom)

Date Public

2025-12-05 12:20

Credits

Mike Zhang, an independent security researcher

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "platforms": [
            "Windows",
            "macOS",
            "Linux"
          ],
          "product": "Avira Antivirus",
          "vendor": "Gen Digital",
          "versions": [
            {
              "lessThan": "8.3.70.104",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Mike Zhang, an independent security researcher"
        }
      ],
      "datePublic": "2025-12-05T12:20:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Heap buffer out-of-bounds write vulnerability due to integer overflow in Avira Antivirus engine when scanning a malformed MS-DOS executable file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process.\u003cp\u003eThis issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70.104.\u003c/p\u003e"
            }
          ],
          "value": "Heap buffer out-of-bounds write vulnerability due to integer overflow in Avira Antivirus engine when scanning a malformed MS-DOS executable file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process.\n\nThis issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70.104."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-549",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-549 Local Execution of Code"
            }
          ]
        }
      ],
      "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"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "CWE-787 Out-of-bounds Write",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-190",
              "description": "CWE-190 Integer Overflow or Wraparound",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-12T22:16:01.317Z",
        "orgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e",
        "shortName": "GEN"
      },
      "references": [
        {
          "url": "https://www.gendigital.com/us/en/contact-us/security-advisories/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Upgrade to Avira scan engine build \u003cstrong\u003e8.3.70.104\u003c/strong\u003e or \u003cstrong\u003eany later\u003c/strong\u003e engine release. Builds at or above 8.3.70.104 include the fix."
            }
          ],
          "value": "Upgrade to Avira scan engine build 8.3.70.104 or any later engine release. Builds at or above 8.3.70.104 include the fix."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Avira antivirus engine heap buffer OOB write when scanning a malformed MS-DOS executable file",
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e",
    "assignerShortName": "GEN",
    "cveId": "CVE-2025-14098",
    "datePublished": "2026-06-12T22:16:01.317Z",
    "dateReserved": "2025-12-05T10:54:10.986Z",
    "dateUpdated": "2026-06-12T22:16:01.317Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-575M-C8QR-PCG3

CVE-2025-14098 (GCVE-0-2025-14098)

Tags

Sightings

Nomenclature