CVE-2026-78376Published

Webkitgtk: use-after-free of jscvalue function parameters

Exact source revision recorded 26 Oct 2026 15:35:30 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-78376

Published

webkit

https://webkit.org/

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "WebKit",
                    "product": "WebKit",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "2.21.1",
                            "lessThan": "*",
                            "versionType": "semver"
                        }
                    ],
                    "packageName": "webkit",
                    "collectionURL": "https://webkit.org/",
                    "defaultStatus": "unaffected"
                }

webkitgtk

https://webkitgtk.org/

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "WebKitGTK",
                    "product": "WebKitGTK",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "2.21.1",
                            "lessThan": "*",
                            "versionType": "semver"
                        }
                    ],
                    "packageName": "webkitgtk",
                    "collectionURL": "https://webkitgtk.org/",
                    "defaultStatus": "unaffected"
                }

webkit2gtk3

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range

{
                    "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"
                    ]
                }

webkit2gtk3

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range

{
                    "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"
                    ]
                }

webkit2gtk3

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9.6 Extended Update Support",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "webkit2gtk3",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:2.54.0-1.el9_6",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhel_eus:9.6::appstream"
                    ]
                }

webkitgtk

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range

{
                    "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"
                    ]
                }

webkitgtk3

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range

{
                    "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"
                    ]
                }

webkitgtk4

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range

{
                    "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"
                    ]
                }