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CVE-2026-83596 Webkitgtk: validate the full featurelist array once in opentypeverticaldata findfeature

🗓️ 31 Aug 2026 20:46:24Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 53 Views

Memory corruption in WebKitGTK via OpenType vertical data featurelist array validation.

Related
Affected
Refs
[
  {
    "vendor": "WebKit",
    "product": "WebKit",
    "versions": [
      {
        "status": "affected",
        "version": "1.10.0",
        "lessThan": "*",
        "versionType": "semver"
      }
    ],
    "packageName": "webkit",
    "collectionURL": "https://webkit.org/",
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "WebKitGTK",
    "product": "WebKitGTK",
    "versions": [
      {
        "status": "affected",
        "version": "1.10.0",
        "lessThan": "*",
        "versionType": "semver"
      }
    ],
    "packageName": "webkitgtk",
    "collectionURL": "https://webkitgtk.org/",
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "webkit2gtk3",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:2.54.0-1.el8_10",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:8::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "webkit2gtk3",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:2.54.0-1.el9_8",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 6",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "webkitgtk",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "webkitgtk3",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "webkitgtk4",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  }
]

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