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CVE-2026-78376

🗓️ 24 Aug 2026 13:29:17Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 37 Views

Use-after-free in WebKitGTK from processing malicious web content causes memory corruption.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-78376
24 Aug 202614:13
circl
cvelist
Cvelist
CVE-2026-78376 Webkitgtk: use-after-free of jscvalue function parameters
24 Aug 202613:29
cvelist
debiancve
Debian CVE
CVE-2026-78376
24 Aug 202613:29
debiancve
euvd
EUVD
EUVD-2026-64858
24 Aug 202613:29
euvd
nvd
NVD
CVE-2026-78376
24 Aug 202614:17
nvd
osv
OSV
DEBIAN-CVE-2026-78376
24 Aug 202614:17
osv
osv
OSV
ECHO-1C9D-3961-CC2B
26 Aug 202602:29
osv
osv
OSV
OESA-2026-3770 webkitgtk security update
14 Sep 202616:34
osv
osv
OSV
OESA-2026-3772 webkitgtk security update
14 Sep 202616:34
osv
osv
OSV
UBUNTU-CVE-2026-78376
24 Aug 202614:17
osv
Rows per page
Vulners
Node
OR
applewebkitMatch2.21.1
[
  {
    "vendor": "WebKit",
    "product": "WebKit",
    "versions": [
      {
        "status": "affected",
        "version": "2.21.1",
        "lessThan": "*",
        "versionType": "semver"
      }
    ],
    "packageName": "webkit",
    "collectionURL": "https://webkit.org/",
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "WebKitGTK",
    "product": "WebKitGTK",
    "versions": [
      {
        "status": "affected",
        "version": "2.21.1",
        "lessThan": "*",
        "versionType": "semver"
      }
    ],
    "packageName": "webkitgtk",
    "collectionURL": "https://webkitgtk.org/",
    "defaultStatus": "unaffected"
  },
  {
    "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": "affected",
    "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"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "webkit2gtk3",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "webkit2gtk3",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  }
]

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28 Aug 2026 21:17Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.18.8
EPSS0.00276
SSVC
37