# 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.

- Web page: https://patchblox.com/security/cve/CVE-2022-48503
- Priority: Patch now
- CVSS: 8.8 (high)
- EPSS: 0.0321
- CISA KEV: listed Oct 20, 2025, federal due date Nov 10, 2025
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 9, 2023

## Description

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

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gir1.2-javascriptcoregtk-4.0-2.38.2-0ubuntu0.20.04.1.md) | Jun 10, 2024 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-javascriptcoregtk-4.0-2.38.2-0ubuntu0.22.04.2.md) | Jun 10, 2024 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-javascriptcoregtk-4.1-2.38.2-0ubuntu0.22.04.2.md) | Jun 10, 2024 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gir1.2-webkit2-4.0-2.38.2-0ubuntu0.20.04.1.md) | Jun 10, 2024 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-webkit2-4.0-2.38.2-0ubuntu0.22.04.2.md) | Jun 10, 2024 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-webkit2-4.1-2.38.2-0ubuntu0.22.04.2.md) | Jun 10, 2024 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libjavascriptcoregtk-4.0-18-2.38.2-0ubuntu0.20.04.1.md) | Jun 10, 2024 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.0-18-2.38.2-0ubuntu0.22.04.2.md) | Jun 10, 2024 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libjavascriptcoregtk-4.0-bin-2.38.2-0ubuntu0.20.04.1.md) | Jun 10, 2024 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.0-bin-2.38.2-0ubuntu0.22.04.2.md) | Jun 10, 2024 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.1-0-2.38.2-0ubuntu0.22.04.2.md) | Jun 10, 2024 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwebkit2gtk-4.0-37-2.38.2-0ubuntu0.20.04.1.md) | Jun 10, 2024 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwebkit2gtk-4.0-37-2.38.2-0ubuntu0.22.04.2.md) | Jun 10, 2024 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwebkit2gtk-4.0-37-gtk2-2.38.2-0ubuntu0.20.04.1.md) | Jun 10, 2024 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwebkit2gtk-4.1-0-2.38.2-0ubuntu0.22.04.2.md) | Jun 10, 2024 |
| Linux | webkit2gtk Debian 12.15 (bookworm) | 2.38.0-1 | [DEBIAN-CVE-2022-48503](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48503.md) | Aug 14, 2023 |
| Linux | webkit2gtk Debian 13.5 (trixie) | 2.38.0-1 | [DEBIAN-CVE-2022-48503](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48503.md) | Aug 14, 2023 |
| Linux | webkit2gtk Debian 14 | 2.38.0-1 | [DEBIAN-CVE-2022-48503](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48503.md) | Aug 14, 2023 |
| Linux | webkit2gtk-driver Ubuntu 20.04 LTS (focal) | 2.38.2-0ubuntu0.20.04.1 | [webkit2gtk-driver 2.38.2-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-webkit2gtk-driver-2.38.2-0ubuntu0.20.04.1.md) | Jun 10, 2024 |
| Linux | webkit2gtk-driver Ubuntu 22.04.1 LTS (jammy) | 2.38.2-0ubuntu0.22.04.2 | [webkit2gtk-driver 2.38.2-0ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-webkit2gtk-driver-2.38.2-0ubuntu0.22.04.2.md) | Jun 10, 2024 |
| Linux | webkit2gtk3 RHEL 8 | 0:2.38.5-1.el8 | [RHSA-2023:2834](https://patchblox.com/security/data/fix/linux/rhsa-2023-2834.md) | May 16, 2023 |
| Linux | webkit2gtk3 RHEL 9 | 0:2.38.5-1.el9 | [RHSA-2023:2256](https://patchblox.com/security/data/fix/linux/rhsa-2023-2256.md) | May 9, 2023 |
| Linux | webkit2gtk3-devel RHEL 8 | 0:2.38.5-1.el8 | [RHSA-2023:2834](https://patchblox.com/security/data/fix/linux/rhsa-2023-2834.md) | May 16, 2023 |
| Linux | webkit2gtk3-devel RHEL 9 | 0:2.38.5-1.el9 | [RHSA-2023:2256](https://patchblox.com/security/data/fix/linux/rhsa-2023-2256.md) | May 9, 2023 |
| Linux | webkit2gtk3-jsc RHEL 8 | 0:2.38.5-1.el8 | [RHSA-2023:2834](https://patchblox.com/security/data/fix/linux/rhsa-2023-2834.md) | May 16, 2023 |
| Linux | webkit2gtk3-jsc RHEL 9 | 0:2.38.5-1.el9 | [RHSA-2023:2256](https://patchblox.com/security/data/fix/linux/rhsa-2023-2256.md) | May 9, 2023 |
| Linux | webkit2gtk3-jsc-devel RHEL 8 | 0:2.38.5-1.el8 | [RHSA-2023:2834](https://patchblox.com/security/data/fix/linux/rhsa-2023-2834.md) | May 16, 2023 |
| Linux | webkit2gtk3-jsc-devel RHEL 9 | 0:2.38.5-1.el9 | [RHSA-2023:2256](https://patchblox.com/security/data/fix/linux/rhsa-2023-2256.md) | May 9, 2023 |
| Linux | wpewebkit Debian 12.15 (bookworm) | 2.38.0-1 | [DEBIAN-CVE-2022-48503](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48503.md) | Aug 14, 2023 |
| Linux | wpewebkit Debian 13.5 (trixie) | 2.38.0-1 | [DEBIAN-CVE-2022-48503](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48503.md) | Aug 14, 2023 |
| Linux | wpewebkit Debian 14 | 2.38.0-1 | [DEBIAN-CVE-2022-48503](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48503.md) | Aug 14, 2023 |

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