CVE-2022-32888

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.7, macOS Ventura 13, iOS 16, iOS 15.7 and iPadOS 15.7, watchOS 9, macOS Monterey 12.6, tvOS 16. Processing maliciously crafted web content may lead to arbitrary code execution.

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 AlmaLinux Release Notes linked from the References section.

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 AlmaLinux Release Notes linked from the References section.

The updated packages fix a security vulnerability and other issues.

Security fixes:

• CVE-2022-32888: Fixed possible arbitrary code execution via maliciously crafted web content (bsc#1205121).
• CVE-2022-32923: Fixed possible information leak via maliciously crafted web content (bsc#1205122).
• CVE-2022-42799: Fixed user interface spoofing when visiting a malicious website (bsc#1205123).
• CVE-2022-42823: Fixed possible arbitrary code execution via maliciously crafted web content (bsc#1205120).
• CVE-2022-42824: Fixed possible sensitive user information leak via maliciously crafted web content (bsc#1205124).

Update to version 2.38.2:

• Fix scrolling issues in some sites having fixed background.
• Fix prolonged buffering during progressive live playback.
• Fix the build with accessibility disabled.
• Fix several crashes and rendering issues.

Update to version 2.38.1:

• Make xdg-dbus-proxy work if host session bus address is an abstract socket.
• Use a single xdg-dbus-proxy process when sandbox is enabled.
• Fix high resolution video playback due to unimplemented changeType operation.
• Ensure GSubprocess uses posix_spawn() again and inherit file descriptors.
• Fix player stucking in buffering (paused) state for progressive streaming.
• Do not try to preconnect on link click when link preconnect setting is disabled.
• Fix close status code returned when the client closes a WebSocket in some cases.
• Fix media player duration calculation.
• Fix several crashes and rendering issues.

Update to version 2.38.0:

• New media controls UI style.
• Add new API to set WebView's Content-Security-Policy for web extensions support.
• Make it possible to use the remote inspector from other browsers using WEBKIT_INSPECTOR_HTTP_SERVER env var.
• MediaSession is enabled by default, allowing remote media control using MPRIS.
• Add support for PDF documents using PDF.js.

Security fixes:

• CVE-2022-32888: Fixed possible arbitrary code execution via maliciously crafted web content (bsc#1205121).
• CVE-2022-32923: Fixed possible information leak via maliciously crafted web content (bsc#1205122).
• CVE-2022-42799: Fixed user interface spoofing when visiting a malicious website (bsc#1205123).
• CVE-2022-42823: Fixed possible arbitrary code execution via maliciously crafted web content (bsc#1205120).
• CVE-2022-42824: Fixed possible sensitive user information leak via maliciously crafted web content (bsc#1205124).

Update to version 2.38.2:

• Fix scrolling issues in some sites having fixed background.
• Fix prolonged buffering during progressive live playback.
• Fix the build with accessibility disabled.
• Fix several crashes and rendering issues.

Update to version 2.38.1:

• Make xdg-dbus-proxy work if host session bus address is an abstract socket.
• Use a single xdg-dbus-proxy process when sandbox is enabled.
• Fix high resolution video playback due to unimplemented changeType operation.
• Ensure GSubprocess uses posix_spawn() again and inherit file descriptors.
• Fix player stucking in buffering (paused) state for progressive streaming.
• Do not try to preconnect on link click when link preconnect setting is disabled.
• Fix close status code returned when the client closes a WebSocket in some cases.
• Fix media player duration calculation.
• Fix several crashes and rendering issues.

Update to version 2.38.0:

• New media controls UI style.
• Add new API to set WebView's Content-Security-Policy for web extensions support.
• Make it possible to use the remote inspector from other browsers using WEBKIT_INSPECTOR_HTTP_SERVER env var.
• MediaSession is enabled by default, allowing remote media control using MPRIS.
• Add support for PDF documents using PDF.js.

Security fixes:

• CVE-2022-32888: Fixed possible arbitrary code execution via maliciously crafted web content (bsc#1205121).
• CVE-2022-32923: Fixed possible information leak via maliciously crafted web content (bsc#1205122).
• CVE-2022-42799: Fixed user interface spoofing when visiting a malicious website (bsc#1205123).
• CVE-2022-42823: Fixed possible arbitrary code execution via maliciously crafted web content (bsc#1205120).
• CVE-2022-42824: Fixed possible sensitive user information leak via maliciously crafted web content (bsc#1205124).

Update to version 2.38.2:

• Fix scrolling issues in some sites having fixed background.
• Fix prolonged buffering during progressive live playback.
• Fix the build with accessibility disabled.
• Fix several crashes and rendering issues.

Update to version 2.38.1:

• Make xdg-dbus-proxy work if host session bus address is an abstract socket.
• Use a single xdg-dbus-proxy process when sandbox is enabled.
• Fix high resolution video playback due to unimplemented changeType operation.
• Ensure GSubprocess uses posix_spawn() again and inherit file descriptors.
• Fix player stucking in buffering (paused) state for progressive streaming.
• Do not try to preconnect on link click when link preconnect setting is disabled.
• Fix close status code returned when the client closes a WebSocket in some cases.
• Fix media player duration calculation.
• Fix several crashes and rendering issues.

Update to version 2.38.0:

• New media controls UI style.
• Add new API to set WebView's Content-Security-Policy for web extensions support.
• Make it possible to use the remote inspector from other browsers using WEBKIT_INSPECTOR_HTTP_SERVER env var.
• MediaSession is enabled by default, allowing remote media control using MPRIS.
• Add support for PDF documents using PDF.js.

Security fixes:

• CVE-2022-32888: Fixed possible arbitrary code execution via maliciously crafted web content (bsc#1205121).
• CVE-2022-32923: Fixed possible information leak via maliciously crafted web content (bsc#1205122).
• CVE-2022-42799: Fixed user interface spoofing when visiting a malicious website (bsc#1205123).
• CVE-2022-42823: Fixed possible arbitrary code execution via maliciously crafted web content (bsc#1205120).
• CVE-2022-42824: Fixed possible sensitive user information leak via maliciously crafted web content (bsc#1205124).

Update to version 2.38.2:

• Fix scrolling issues in some sites having fixed background.
• Fix prolonged buffering during progressive live playback.
• Fix the build with accessibility disabled.
• Fix several crashes and rendering issues.

Update to version 2.38.1:

• Make xdg-dbus-proxy work if host session bus address is an abstract socket.
• Use a single xdg-dbus-proxy process when sandbox is enabled.
• Fix high resolution video playback due to unimplemented changeType operation.
• Ensure GSubprocess uses posix_spawn() again and inherit file descriptors.
• Fix player stucking in buffering (paused) state for progressive streaming.
• Do not try to preconnect on link click when link preconnect setting is disabled.
• Fix close status code returned when the client closes a WebSocket in some cases.
• Fix media player duration calculation.
• Fix several crashes and rendering issues.

Update to version 2.38.0:

• New media controls UI style.
• Add new API to set WebView's Content-Security-Policy for web extensions support.
• Make it possible to use the remote inspector from other browsers using WEBKIT_INSPECTOR_HTTP_SERVER env var.
• MediaSession is enabled by default, allowing remote media control using MPRIS.
• Add support for PDF documents using PDF.js.

Several security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.