{"schema_version": "1.7.0", "id": "RLSA-2026:42088", "modified": "2026-07-21T06:05:51.008032Z", "published": "2026-07-21T06:00:53.836342Z", "upstream": ["CVE-2024-4367", "CVE-2026-39872", "CVE-2026-43663", "CVE-2026-43676", "CVE-2026-43699", "CVE-2026-43701", "CVE-2026-43705", "CVE-2026-43707", "CVE-2026-43712", "CVE-2026-43713", "CVE-2026-43715", "CVE-2026-43716", "CVE-2026-43720", "CVE-2026-43721", "CVE-2026-43725", "CVE-2026-43726", "CVE-2026-43727", "CVE-2026-43731", "CVE-2026-43732", "CVE-2026-43734", "CVE-2026-43740", "CVE-2026-43742", "CVE-2026-43745"], "summary": "Important: webkit2gtk3 security update", "details": "WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.\n\nSecurity Fix(es):\n\n* Mozilla: Arbitrary JavaScript execution in PDF.js (CVE-2024-4367)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-39872)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43663)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43676)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43699)\n\n* webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox (CVE-2026-43701)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43705)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43707)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43712)\n\n* webkitgtk: webkitgtk: Visiting a website may leak sensitive data (CVE-2026-43713)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43715)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43716)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43720)\n\n* webkitgtk: webkitgtk: A malicious website may silently hijack clipboard data (CVE-2026-43721)\n\n* webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox (CVE-2026-43725)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43726)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43727)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43731)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may disclose sensitive user information (CVE-2026-43732)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43734)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may disclose process memory (CVE-2026-43740)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43742)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43745)\n\nFor 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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:8", "name": "webkit2gtk3", "purl": "pkg:rpm/rocky-linux/webkit2gtk3?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:2.52.5-1.el8_10"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:42088"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2280382"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500519"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500520"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500521"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500522"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500523"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500524"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500525"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500526"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500527"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500528"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500529"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500530"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500531"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500532"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500533"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500534"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500535"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500536"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500537"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500538"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500539"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500540"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}