CVE-2022-48503

webkit2gtk: The issue was addressed with improved bounds checks

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
high
Exploitation
Exploited
Listed by CISA
CISA KEV
Oct 20, 2025
Federal due date Nov 10, 2025
EPSS
0.0321
88th percentile

The issue was addressed with improved bounds checks. This issue is fixed in tvOS 15.6, watchOS 8.7, iOS 15.6 and iPadOS 15.6, macOS Monterey 12.5, Safari 15.6. Processing web content may lead to arbitrary code execution.

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

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.