Important: webkit2gtk3 security update
WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * webkitgtk: webkitgtk: Use-after-free due to improper memory management (CVE-2025-43529) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43501) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43531) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43535) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43536) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2025-43541) 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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * webkitgtk: webkitgtk: Use-after-free due to improper memory management (CVE-2025-43529) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43501) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43531) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43535) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43536) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2025-43541) 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.
05 / REFERENCES
Further evidence
- https://access.redhat.com/errata/RHSA-2025:23700
- https://access.redhat.com/security/cve/CVE-2025-43501
- https://access.redhat.com/security/cve/CVE-2025-43529
- https://access.redhat.com/security/cve/CVE-2025-43531
- https://access.redhat.com/security/cve/CVE-2025-43535
- https://access.redhat.com/security/cve/CVE-2025-43536
- https://access.redhat.com/security/cve/CVE-2025-43541
- https://bugzilla.redhat.com/2423166
- https://bugzilla.redhat.com/2423185
- https://bugzilla.redhat.com/2423187
- https://bugzilla.redhat.com/2423188
- https://bugzilla.redhat.com/2423190
- https://bugzilla.redhat.com/2423191
- https://errata.almalinux.org/9/ALSA-2025-23700.html