GHSA-872R-H2CJ-J272

Vulnerability from github – Published: 2025-05-18 00:30 – Updated: 2025-05-18 00:30
VLAI?
Details

An attacker was able to perform an out-of-bounds read or write on a JavaScript Promise object. This vulnerability affects Firefox < 138.0.4 and Firefox ESR < 128.10.1.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-4920"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-17T22:15:19Z",
    "severity": null
  },
  "details": "An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object. This vulnerability affects Firefox \u003c 138.0.4 and Firefox ESR \u003c 128.10.1.",
  "id": "GHSA-872r-h2cj-j272",
  "modified": "2025-05-18T00:30:27Z",
  "published": "2025-05-18T00:30:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-4920"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1966612"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-36"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-37"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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  • 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.



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