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Vulnerabilities / CVE-2019-8375

critical

CVE-2019-8375

The UIProcess subsystem in WebKit, as used in WebKitGTK through 2.23.9 ...

Published Modified CWE 119
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Ubuntu (medium).

Description

The UIProcess subsystem in WebKit, as used in WebKitGTK through 2.23.90 and WebKitGTK+ through 2.22.6 and other products, does not prevent the script dialog size from exceeding the web view size, which allows remote attackers to cause a denial of service (Buffer Overflow) or possibly have unspecified other impact, related to UIProcess/API/gtk/WebKitScriptDialogGtk.cpp, UIProcess/API/gtk/WebKitScriptDialogImpl.cpp, and UIProcess/API/gtk/WebKitWebViewGtk.cpp, as demonstrated by GNOME Web (aka Epiphany).

Affected packages and fixed versions

SourcePackageFixed in
debian 11webkit2gtk2.24.1-1
debian 12webkit2gtk2.24.1-1
debian 13webkit2gtk2.24.1-1
debian 14webkit2gtk2.24.1-1
echowebkit2gtk2.24.1-1
ubuntu 18.04webkit2gtk2.24.1-0ubuntu0.18.04.1
ubuntu 18.04-ESMwebkit2gtk2.24.1-0ubuntu0.18.04.1
ubuntu 18.10webkit2gtk2.24.1-0ubuntu0.18.10.2

References

All 10 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.