(RHSA-2023:2256) Important: webkit2gtk3 security and bug fix update

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.

Security Fix(es):

• webkitgtk: use-after-free issue leading to arbitrary code execution (CVE-2022-42826)

• webkitgtk: memory corruption issue leading to arbitrary code execution (CVE-2023-23517)

• webkitgtk: memory corruption issue leading to arbitrary code execution (CVE-2023-23518)

• webkitgtk: buffer overflow issue was addressed with improved memory handling (CVE-2022-32886)

• webkitgtk: out-of-bounds write issue was addressed with improved bounds checking (CVE-2022-32888)

• webkitgtk: correctness issue in the JIT was addressed with improved checks (CVE-2022-32923)

• webkitgtk: issue was addressed with improved UI handling (CVE-2022-42799)

• webkitgtk: type confusion issue leading to arbitrary code execution (CVE-2022-42823)

• webkitgtk: sensitive information disclosure issue (CVE-2022-42824)

• webkitgtk: memory disclosure issue was addressed with improved memory handling (CVE-2022-42852)

• webkitgtk: memory corruption issue leading to arbitrary code execution (CVE-2022-42863)

• webkitgtk: use-after-free issue leading to arbitrary code execution (CVE-2022-42867)

• webkitgtk: memory corruption issue leading to arbitrary code execution (CVE-2022-46691)

• webkitgtk: Same Origin Policy bypass issue (CVE-2022-46692)

• webkitgtk: logic issue leading to user information disclosure (CVE-2022-46698)

• webkitgtk: memory corruption issue leading to arbitrary code execution (CVE-2022-46699)

• webkitgtk: memory corruption issue leading to arbitrary code execution (CVE-2022-46700)

• webkitgtk: heap-use-after-free in WebCore::RenderLayer::addChild() (CVE-2023-25358)

• webkitgtk: heap-use-after-free in WebCore::RenderLayer::renderer() (CVE-2023-25360)

• webkitgtk: heap-use-after-free in WebCore::RenderLayer::setNextSibling() (CVE-2023-25361)

• webkitgtk: heap-use-after-free in WebCore::RenderLayer::repaintBlockSelectionGaps() (CVE-2023-25362)

• webkitgtk: heap-use-after-free in WebCore::RenderLayer::updateDescendantDependentFlags() (CVE-2023-25363)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.2 Release Notes linked from the References section.