RHSA-2022:1777 — Security Advisory

An update for webkit2gtk3 is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

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

The following packages have been upgraded to a later upstream version: webkit2gtk3 (2.34.6). (BZ#1985042)

Security Fix(es):

• webkitgtk: maliciously crafted web content may lead to arbitrary code execution due to use after free (CVE-2022-22620)

• webkitgtk: Use-after-free leading to arbitrary code execution (CVE-2021-30809)

• webkitgtk: Type confusion issue leading to arbitrary code execution (CVE-2021-30818)

• webkitgtk: Logic issue leading to HSTS bypass (CVE-2021-30823)

• webkitgtk: Memory corruption issue leading to arbitrary code execution (CVE-2021-30846)

• webkitgtk: Memory corruption issue leading to arbitrary code execution (CVE-2021-30848)

• webkitgtk: Multiple memory corruption issue leading to arbitrary code execution (CVE-2021-30849)

• webkitgtk: Memory corruption issue leading to arbitrary code execution (CVE-2021-30851)

• webkitgtk: Logic issue leading to Content Security Policy bypass (CVE-2021-30887)

• webkitgtk: Information leak via Content Security Policy reports (CVE-2021-30888)

• webkitgtk: Buffer overflow leading to arbitrary code execution (CVE-2021-30889)

• webkitgtk: Logic issue leading to universal cross-site scripting (CVE-2021-30890)

• webkitgtk: Cross-origin data exfiltration via resource timing API (CVE-2021-30897)

• webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30934)

• webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30936)

• webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30951)

• webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30952)

• webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30953)

• webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30954)

• webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2021-30984)

• webkitgtk: Incorrect memory allocation in WebCore::ImageBufferCairoImageSurfaceBackend::create (CVE-2021-45481)

• webkitgtk: use-after-free in WebCore::ContainerNode::firstChild (CVE-2021-45482)

• webkitgtk: use-after-free in WebCore::Frame::page (CVE-2021-45483)

• webkitgtk: Processing a maliciously crafted mail message may lead to running arbitrary javascript (CVE-2022-22589)

• webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2022-22590)

• webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being enforced (CVE-2022-22592)

• webkitgtk: A malicious website may exfiltrate data cross-origin (CVE-2022-22594)

• webkitgtk: logic issue was addressed with improved state management (CVE-2022-22637)

• webkitgtk: Out-of-bounds read leading to memory disclosure (CVE-2021-30836)

• webkitgtk: CSS compositing issue leading to revealing of the browsing history (CVE-2021-30884)

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 8.6 Release Notes linked from the References section.