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webkitgtk: Improper access management to CLONE_NEWUSER and the TIOCSTI ioctl

🗓️ 07 Jul 2025 02:28:52Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

Sandbox flaw in WebKitGTK and WPE WebKit enables CLONE_NEWUSER and TIOCSTI access, risking sandbox escape.

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Refs
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CVE-2020-13753
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[ASA-202007-1] webkit2gtk: multiple issues
14 Jul 202000:00
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[SECURITY] [DSA 4724-1] webkit2gtk security update
15 Jul 202020:37
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14 Jul 202013:07
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20 Jul 202000:00
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14 Jul 202000:00
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Tenable Nessus
Fedora 31 : webkit2gtk3 (2020-d2736ee493)
20 Jul 202000:00
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FreeBSD : webkit2-gtk3 -- multible vulnerabilities (efd03116-c2a9-11ea-82bc-b42e99a1b9c3)
21 Sep 202000:00
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7.9s390xwebkitgtk42.48.3-2.el7_9webkitgtk4-2.48.3-2.el7_9.s390x.rpm
Red Hat Enterprise Linux7.9x86_64webkitgtk42.48.3-2.el7_9webkitgtk4-2.48.3-2.el7_9.x86_64.rpm
Red Hat Enterprise Linux7.9s390xwebkitgtk4-debuginfo2.48.3-2.el7_9webkitgtk4-debuginfo-2.48.3-2.el7_9.s390x.rpm
Red Hat Enterprise Linux7.9x86_64webkitgtk4-debuginfo2.48.3-2.el7_9webkitgtk4-debuginfo-2.48.3-2.el7_9.x86_64.rpm
Red Hat Enterprise Linux7.9s390xwebkitgtk4-devel2.48.3-2.el7_9webkitgtk4-devel-2.48.3-2.el7_9.s390x.rpm
Red Hat Enterprise Linux7.9x86_64webkitgtk4-devel2.48.3-2.el7_9webkitgtk4-devel-2.48.3-2.el7_9.x86_64.rpm
Red Hat Enterprise Linux7.9noarchwebkitgtk4-doc2.48.3-2.el7_9webkitgtk4-doc-2.48.3-2.el7_9.noarch.rpm
Red Hat Enterprise Linux7.9s390xwebkitgtk4-jsc2.48.3-2.el7_9webkitgtk4-jsc-2.48.3-2.el7_9.s390x.rpm
Red Hat Enterprise Linux7.9x86_64webkitgtk4-jsc2.48.3-2.el7_9webkitgtk4-jsc-2.48.3-2.el7_9.x86_64.rpm
Red Hat Enterprise Linux7.9s390xwebkitgtk4-jsc-devel2.48.3-2.el7_9webkitgtk4-jsc-devel-2.48.3-2.el7_9.s390x.rpm
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30 Jun 2026 04:28Current
6.8Medium risk
Vulners AI Score6.8
CVSS 27.5
CVSS 3.110
EPSS0.02917
3