A flaw was found in WebKitGTK. Processing malicious web content can cause a use-after-free issue due to improper memory handling and result in memory corruption.CreditsRed Hat would like to thank Igalia for reporting this issue.Referenceshttps://access.redhat.com/errata/RHSA-2026:69098https://access.redhat.com/errata/RHSA-2026:74084https://access.redhat.com/security/cve/CVE-2026-78376https://bugzilla.redhat.com/show_bug.cgi?id=2521858https://github.com/WebKit/WebKit/pull/72142
