github - ghsa-87c4-94w2-rw7j

ghsa-87c4-94w2-rw7j

Vulnerability from github

Published

2025-06-26 21:31

Modified

2025-07-02 21:31

Severity ?

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability affects Firefox < 140, Firefox ESR < 115.25, and Firefox ESR < 128.12.

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2025-6424"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-24T13:15:23Z",
    "severity": "CRITICAL"
  },
  "details": "A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability affects Firefox \u003c 140, Firefox ESR \u003c 115.25, and Firefox ESR \u003c 128.12.",
  "id": "GHSA-87c4-94w2-rw7j",
  "modified": "2025-07-02T21:31:59Z",
  "published": "2025-06-26T21:31:06Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-6424"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1966423"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-51"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-52"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-53"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-54"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-55"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2025-6424

Vulnerability from cvelistv5

Published

2025-06-24 12:27

Modified

2025-07-02 20:42

Severity ?

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability affects Firefox < 140, Firefox ESR < 115.25, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12.

References

▼	URL	Tags
	https://bugzilla.mozilla.org/show_bug.cgi?id=1966423
	https://www.mozilla.org/security/advisories/mfsa2025-51/
	https://www.mozilla.org/security/advisories/mfsa2025-52/
	https://www.mozilla.org/security/advisories/mfsa2025-53/
	https://www.mozilla.org/security/advisories/mfsa2025-54/
	https://www.mozilla.org/security/advisories/mfsa2025-55/

Impacted products

▼	Vendor	Product
	Mozilla	Firefox
	Mozilla	Firefox ESR
	Mozilla	Firefox ESR
	Mozilla	Thunderbird
	Mozilla	Thunderbird

Show details on NVD website

To clipboard

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    "adp": [
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        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
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              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-6424",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-06-25T12:36:06.501007Z",
                "version": "2.0.3"
              },
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            }
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        ],
        "problemTypes": [
          {
            "descriptions": [
              {
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                "description": "CWE-416 Use After Free",
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            ]
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-25T12:42:03.245Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
      "affected": [
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          "vendor": "Mozilla",
          "versions": [
            {
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          ]
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      ],
      "credits": [
        {
          "lang": "en",
          "value": "LJP and HexRabbit (DEVCORE Research Team)"
        }
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            }
          ],
          "value": "A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability affects Firefox \u003c 140, Firefox ESR \u003c 115.25, Firefox ESR \u003c 128.12, Thunderbird \u003c 140, and Thunderbird \u003c 128.12."
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      "problemTypes": [
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      "providerMetadata": {
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        },
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        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2025-52/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2025-53/"
        },
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        },
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  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2025-6424",
    "datePublished": "2025-06-24T12:27:59.669Z",
    "dateReserved": "2025-06-20T14:51:26.620Z",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

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