GHSA-X3F3-63G4-54J4

Vulnerability from github – Published: 2026-03-24 15:30 – Updated: 2026-06-30 03:35
VLAI
Details

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, and Firefox ESR < 140.9.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Show details on source website
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{
  "affected": [],
  "aliases": [
    "CVE-2026-4686"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-754",
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-24T13:16:04Z",
    "severity": "HIGH"
  },
  "details": "Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox \u003c 149, Firefox ESR \u003c 115.34, and Firefox ESR \u003c 140.9.",
  "id": "GHSA-x3f3-63g4-54j4",
  "modified": "2026-06-30T03:35:58Z",
  "published": "2026-03-24T15:30:27Z",
  "references": [
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      "type": "CVSS_V3"
    }
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}



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Sightings

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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.
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  • 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.