RHSA-2026:58564: Important: webkitgtk4 security update
Important: webkitgtk4 security update
Other sources
WebKitGTK+ is port of the WebKit portable web rendering engine to the GTK+ platform. These packages provide WebKitGTK+ for GTK+ 3.Security Fix(es): Mozilla: Arbitrary JavaScript execution in PDF.js (CVE-2024-4367) webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-39872) webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43663) webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43676) webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43699) webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox (CVE-2026-43701) webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43705) webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43707) webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43712) webkitgtk: webkitgtk: Visiting a website may leak sensitive data (CVE-2026-43713) webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43715) webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43716) webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43720) webkitgtk: webkitgtk: A malicious website may silently hijack clipboard data (CVE-2026-43721) webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox (CVE-2026-43725) webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43726) webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43727) webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43731) webkitgtk: webkitgtk: Maliciously crafted web content may disclose sensitive user information (CVE-2026-43732) webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43734) webkitgtk: webkitgtk: Maliciously crafted web content may disclose process memory (CVE-2026-43740) webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43742) webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43745) webkitgtk: Processing maliciously crafted web content may lead to an unexpected process termination (CVE-2026-64787) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/webkitgtk4to a version that resolves this vulnerability.Fixed in 2.52.5-1.el7_9 - Upgrade
Upgrade
redhat/webkitgtk4-debuginfoto a version that resolves this vulnerability.Fixed in 2.52.5-1.el7_9 - Upgrade
Upgrade
redhat/webkitgtk4-develto a version that resolves this vulnerability.Fixed in 2.52.5-1.el7_9 - Upgrade
Upgrade
redhat/webkitgtk4-docto a version that resolves this vulnerability.Fixed in 2.52.5-1.el7_9 - Upgrade
Upgrade
redhat/webkitgtk4-jscto a version that resolves this vulnerability.Fixed in 2.52.5-1.el7_9 - Upgrade
Upgrade
redhat/webkitgtk4-jsc-develto a version that resolves this vulnerability.Fixed in 2.52.5-1.el7_9
Event History
Frequently Asked Questions
Which deployments are in scope for this advisory?
The advisory lists Red Hat Enterprise Linux Server Extended Life Cycle Support, including variants for IBM Power little endian, IBM Power big endian, and IBM z Systems.
What remediation does the advisory identify?
It identifies a security update for webkitgtk4. No package version or fixed build is provided in the available data.