CVE-2022-48503

webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * webkitgt...

CVE-2022-48503 is fixed in 17 products on 1 platform, first by RHSA-2023:2256, released May 9, 2023. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on October 20, 2025. Patch Radar priority: Patch now.

Patch nowCISA KEV
CVSS
8.8
Important
Exploitation
Exploited
Listed by CISA
CISA KEV
Oct 20, 2025
Federal due date Nov 10, 2025
EPSS
0.0321
88th percentile

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 8.8 Release Notes linked from the References section.

Where it's fixed

ProductFixed inFixReleased
Linux
gir1.2-javascriptcoregtk-4.0 · Ubuntu 20.04 LTS (focal) 2.38.2-0ubuntu0.20.04.1 gir1.2-javascriptcoregtk-4.0 2.38.2-0ubuntu0.20.04.1 Jun 10, 2024
gir1.2-javascriptcoregtk-4.0 · Ubuntu 22.04.1 LTS (jammy) 2.38.2-0ubuntu0.22.04.2 gir1.2-javascriptcoregtk-4.0 2.38.2-0ubuntu0.22.04.2 Jun 10, 2024
gir1.2-javascriptcoregtk-4.1 · Ubuntu 22.04.1 LTS (jammy) 2.38.2-0ubuntu0.22.04.2 gir1.2-javascriptcoregtk-4.1 2.38.2-0ubuntu0.22.04.2 Jun 10, 2024
gir1.2-webkit2-4.0 · Ubuntu 20.04 LTS (focal) 2.38.2-0ubuntu0.20.04.1 gir1.2-webkit2-4.0 2.38.2-0ubuntu0.20.04.1 Jun 10, 2024
gir1.2-webkit2-4.0 · Ubuntu 22.04.1 LTS (jammy) 2.38.2-0ubuntu0.22.04.2 gir1.2-webkit2-4.0 2.38.2-0ubuntu0.22.04.2 Jun 10, 2024
gir1.2-webkit2-4.1 · Ubuntu 22.04.1 LTS (jammy) 2.38.2-0ubuntu0.22.04.2 gir1.2-webkit2-4.1 2.38.2-0ubuntu0.22.04.2 Jun 10, 2024
libjavascriptcoregtk-4.0-18 · Ubuntu 20.04 LTS (focal) 2.38.2-0ubuntu0.20.04.1 libjavascriptcoregtk-4.0-18 2.38.2-0ubuntu0.20.04.1 Jun 10, 2024
libjavascriptcoregtk-4.0-18 · Ubuntu 22.04.1 LTS (jammy) 2.38.2-0ubuntu0.22.04.2 libjavascriptcoregtk-4.0-18 2.38.2-0ubuntu0.22.04.2 Jun 10, 2024
libjavascriptcoregtk-4.0-bin · Ubuntu 20.04 LTS (focal) 2.38.2-0ubuntu0.20.04.1 libjavascriptcoregtk-4.0-bin 2.38.2-0ubuntu0.20.04.1 Jun 10, 2024
libjavascriptcoregtk-4.0-bin · Ubuntu 22.04.1 LTS (jammy) 2.38.2-0ubuntu0.22.04.2 libjavascriptcoregtk-4.0-bin 2.38.2-0ubuntu0.22.04.2 Jun 10, 2024
libjavascriptcoregtk-4.1-0 · Ubuntu 22.04.1 LTS (jammy) 2.38.2-0ubuntu0.22.04.2 libjavascriptcoregtk-4.1-0 2.38.2-0ubuntu0.22.04.2 Jun 10, 2024
libwebkit2gtk-4.0-37 · Ubuntu 20.04 LTS (focal) 2.38.2-0ubuntu0.20.04.1 libwebkit2gtk-4.0-37 2.38.2-0ubuntu0.20.04.1 Jun 10, 2024
libwebkit2gtk-4.0-37 · Ubuntu 22.04.1 LTS (jammy) 2.38.2-0ubuntu0.22.04.2 libwebkit2gtk-4.0-37 2.38.2-0ubuntu0.22.04.2 Jun 10, 2024
libwebkit2gtk-4.0-37-gtk2 · Ubuntu 20.04 LTS (focal) 2.38.2-0ubuntu0.20.04.1 libwebkit2gtk-4.0-37-gtk2 2.38.2-0ubuntu0.20.04.1 Jun 10, 2024
libwebkit2gtk-4.1-0 · Ubuntu 22.04.1 LTS (jammy) 2.38.2-0ubuntu0.22.04.2 libwebkit2gtk-4.1-0 2.38.2-0ubuntu0.22.04.2 Jun 10, 2024
webkit2gtk · Debian 12.15 (bookworm) 2.38.0-1 DEBIAN-CVE-2022-48503 Aug 14, 2023
webkit2gtk · Debian 13.5 (trixie) 2.38.0-1 DEBIAN-CVE-2022-48503 Aug 14, 2023
webkit2gtk · Debian 14 2.38.0-1 DEBIAN-CVE-2022-48503 Aug 14, 2023
webkit2gtk-driver · Ubuntu 20.04 LTS (focal) 2.38.2-0ubuntu0.20.04.1 webkit2gtk-driver 2.38.2-0ubuntu0.20.04.1 Jun 10, 2024
webkit2gtk-driver · Ubuntu 22.04.1 LTS (jammy) 2.38.2-0ubuntu0.22.04.2 webkit2gtk-driver 2.38.2-0ubuntu0.22.04.2 Jun 10, 2024
webkit2gtk3 · RHEL 8 0:2.38.5-1.el8 RHSA-2023:2834 May 16, 2023
webkit2gtk3 · RHEL 9 0:2.38.5-1.el9 RHSA-2023:2256 May 9, 2023
webkit2gtk3-devel · RHEL 8 0:2.38.5-1.el8 RHSA-2023:2834 May 16, 2023
webkit2gtk3-devel · RHEL 9 0:2.38.5-1.el9 RHSA-2023:2256 May 9, 2023
webkit2gtk3-jsc · RHEL 8 0:2.38.5-1.el8 RHSA-2023:2834 May 16, 2023
webkit2gtk3-jsc · RHEL 9 0:2.38.5-1.el9 RHSA-2023:2256 May 9, 2023
webkit2gtk3-jsc-devel · RHEL 8 0:2.38.5-1.el8 RHSA-2023:2834 May 16, 2023
webkit2gtk3-jsc-devel · RHEL 9 0:2.38.5-1.el9 RHSA-2023:2256 May 9, 2023
wpewebkit · Debian 12.15 (bookworm) 2.38.0-1 DEBIAN-CVE-2022-48503 Aug 14, 2023
wpewebkit · Debian 13.5 (trixie) 2.38.0-1 DEBIAN-CVE-2022-48503 Aug 14, 2023
wpewebkit · Debian 14 2.38.0-1 DEBIAN-CVE-2022-48503 Aug 14, 2023

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