# CVE-2023-32373: webkit2gtk: A use-after-free issue was addressed with improved memory management

CVE-2023-32373 is fixed in 20 products on 1 platform, first by RHSA-2023:3433, released June 5, 2023. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on May 22, 2023. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/cve/CVE-2023-32373
- Priority: Patch now
- CVSS: 8.8 (high)
- EPSS: 0.1217
- CISA KEV: listed May 22, 2023, federal due date Jun 12, 2023
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 5, 2023

## Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gir1.2-javascriptcoregtk-4.0 Ubuntu 22.04.1 LTS (jammy) | 2.40.4-0ubuntu0.22.04.1 | [gir1.2-javascriptcoregtk-4.0 2.40.4-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-javascriptcoregtk-4.0-2.40.4-0ubuntu0.22.04.1.md) | Sep 27, 2023 |
| Linux | gir1.2-javascriptcoregtk-4.1 Ubuntu 22.04.1 LTS (jammy) | 2.40.4-0ubuntu0.22.04.1 | [gir1.2-javascriptcoregtk-4.1 2.40.4-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-javascriptcoregtk-4.1-2.40.4-0ubuntu0.22.04.1.md) | Sep 27, 2023 |
| Linux | gir1.2-javascriptcoregtk-6.0 Ubuntu 22.04.1 LTS (jammy) | 2.40.4-0ubuntu0.22.04.1 | [gir1.2-javascriptcoregtk-6.0 2.40.4-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-javascriptcoregtk-6.0-2.40.4-0ubuntu0.22.04.1.md) | Sep 27, 2023 |
| Linux | gir1.2-webkit-6.0 Ubuntu 22.04.1 LTS (jammy) | 2.40.4-0ubuntu0.22.04.1 | [gir1.2-webkit-6.0 2.40.4-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-webkit-6.0-2.40.4-0ubuntu0.22.04.1.md) | Sep 27, 2023 |
| Linux | gir1.2-webkit2-4.0 Ubuntu 22.04.1 LTS (jammy) | 2.40.4-0ubuntu0.22.04.1 | [gir1.2-webkit2-4.0 2.40.4-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-webkit2-4.0-2.40.4-0ubuntu0.22.04.1.md) | Sep 27, 2023 |
| Linux | gir1.2-webkit2-4.1 Ubuntu 22.04.1 LTS (jammy) | 2.40.4-0ubuntu0.22.04.1 | [gir1.2-webkit2-4.1 2.40.4-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-webkit2-4.1-2.40.4-0ubuntu0.22.04.1.md) | Sep 27, 2023 |
| Linux | libjavascriptcoregtk-4.0-18 Ubuntu 22.04.1 LTS (jammy) | 2.40.4-0ubuntu0.22.04.1 | [libjavascriptcoregtk-4.0-18 2.40.4-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.0-18-2.40.4-0ubuntu0.22.04.1.md) | Sep 27, 2023 |
| Linux | libjavascriptcoregtk-4.0-bin Ubuntu 22.04.1 LTS (jammy) | 2.40.4-0ubuntu0.22.04.1 | [libjavascriptcoregtk-4.0-bin 2.40.4-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.0-bin-2.40.4-0ubuntu0.22.04.1.md) | Sep 27, 2023 |
| Linux | libjavascriptcoregtk-4.1-0 Ubuntu 22.04.1 LTS (jammy) | 2.40.4-0ubuntu0.22.04.1 | [libjavascriptcoregtk-4.1-0 2.40.4-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.1-0-2.40.4-0ubuntu0.22.04.1.md) | Sep 27, 2023 |
| Linux | libjavascriptcoregtk-6.0-1 Ubuntu 22.04.1 LTS (jammy) | 2.40.4-0ubuntu0.22.04.1 | [libjavascriptcoregtk-6.0-1 2.40.4-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-6.0-1-2.40.4-0ubuntu0.22.04.1.md) | Sep 27, 2023 |
| Linux | libwebkit2gtk-4.0-37 Ubuntu 22.04.1 LTS (jammy) | 2.40.4-0ubuntu0.22.04.1 | [libwebkit2gtk-4.0-37 2.40.4-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwebkit2gtk-4.0-37-2.40.4-0ubuntu0.22.04.1.md) | Sep 27, 2023 |
| Linux | libwebkit2gtk-4.1-0 Ubuntu 22.04.1 LTS (jammy) | 2.40.4-0ubuntu0.22.04.1 | [libwebkit2gtk-4.1-0 2.40.4-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwebkit2gtk-4.1-0-2.40.4-0ubuntu0.22.04.1.md) | Sep 27, 2023 |
| Linux | libwebkitgtk-6.0-4 Ubuntu 22.04.1 LTS (jammy) | 2.40.4-0ubuntu0.22.04.1 | [libwebkitgtk-6.0-4 2.40.4-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwebkitgtk-6.0-4-2.40.4-0ubuntu0.22.04.1.md) | Sep 27, 2023 |
| Linux | webkit2gtk Debian 12.15 (bookworm) | 2.40.2-1~deb12u1 | [DEBIAN-CVE-2023-32373](https://patchblox.com/security/data/fix/linux/debian-cve-2023-32373.md) | Jun 23, 2023 |
| Linux | webkit2gtk Debian 13.5 (trixie) | 2.40.2-1 | [DEBIAN-CVE-2023-32373](https://patchblox.com/security/data/fix/linux/debian-cve-2023-32373.md) | Jun 23, 2023 |
| Linux | webkit2gtk Debian 14 | 2.40.2-1 | [DEBIAN-CVE-2023-32373](https://patchblox.com/security/data/fix/linux/debian-cve-2023-32373.md) | Jun 23, 2023 |
| Linux | webkit2gtk-driver Ubuntu 22.04.1 LTS (jammy) | 2.40.4-0ubuntu0.22.04.1 | [webkit2gtk-driver 2.40.4-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-webkit2gtk-driver-2.40.4-0ubuntu0.22.04.1.md) | Sep 27, 2023 |
| Linux | webkit2gtk3 RHEL 8 | 0:2.38.5-1.el8_8.4 | [RHSA-2023:3433](https://patchblox.com/security/data/fix/linux/rhsa-2023-3433.md) | Jun 5, 2023 |
| Linux | webkit2gtk3 RHEL 9 | 0:2.38.5-1.el9_2.2 | [RHSA-2023:3432](https://patchblox.com/security/data/fix/linux/rhsa-2023-3432.md) | Jun 5, 2023 |
| Linux | webkit2gtk3 almalinux 8 | 2.38.5-1.el8_8.4 | [ALSA-2023:3433](https://patchblox.com/security/data/fix/linux/alsa-2023-3433.md) | Jun 5, 2023 |
| Linux | webkit2gtk3 almalinux 9 | 2.38.5-1.el9_2.2 | [ALSA-2023:3432](https://patchblox.com/security/data/fix/linux/alsa-2023-3432.md) | Jun 5, 2023 |
| Linux | webkit2gtk3 ol 8 | 0:2.38.5-1.el8_8.4 | [ELSA-2023-3433](https://patchblox.com/security/data/fix/linux/elsa-2023-3433.md) | Jun 6, 2023 |
| Linux | webkit2gtk3 ol 9 | 0:2.38.5-1.el9_2.2 | [ELSA-2023-3432](https://patchblox.com/security/data/fix/linux/elsa-2023-3432.md) | Jun 6, 2023 |
| Linux | webkit2gtk3 rocky 8 | 0:2.38.5-1.el8_8.4 | [RLSA-2023:3433](https://patchblox.com/security/data/fix/linux/rlsa-2023-3433.md) | Jun 24, 2023 |
| Linux | webkit2gtk3 rocky 9 | 0:2.38.5-1.el9_2.2 | [RLSA-2023:3432](https://patchblox.com/security/data/fix/linux/rlsa-2023-3432.md) | Jun 13, 2023 |
| Linux | webkit2gtk3-devel RHEL 8 | 0:2.38.5-1.el8_8.4 | [RHSA-2023:3433](https://patchblox.com/security/data/fix/linux/rhsa-2023-3433.md) | Jun 5, 2023 |
| Linux | webkit2gtk3-devel RHEL 9 | 0:2.38.5-1.el9_2.2 | [RHSA-2023:3432](https://patchblox.com/security/data/fix/linux/rhsa-2023-3432.md) | Jun 5, 2023 |
| Linux | webkit2gtk3-devel almalinux 8 | 2.38.5-1.el8_8.4 | [ALSA-2023:3433](https://patchblox.com/security/data/fix/linux/alsa-2023-3433.md) | Jun 5, 2023 |
| Linux | webkit2gtk3-devel almalinux 9 | 2.38.5-1.el9_2.2 | [ALSA-2023:3432](https://patchblox.com/security/data/fix/linux/alsa-2023-3432.md) | Jun 5, 2023 |
| Linux | webkit2gtk3-devel ol 8 | 0:2.38.5-1.el8_8.4 | [ELSA-2023-3433](https://patchblox.com/security/data/fix/linux/elsa-2023-3433.md) | Jun 6, 2023 |
| Linux | webkit2gtk3-devel ol 9 | 0:2.38.5-1.el9_2.2 | [ELSA-2023-3432](https://patchblox.com/security/data/fix/linux/elsa-2023-3432.md) | Jun 6, 2023 |
| Linux | webkit2gtk3-jsc RHEL 8 | 0:2.38.5-1.el8_8.4 | [RHSA-2023:3433](https://patchblox.com/security/data/fix/linux/rhsa-2023-3433.md) | Jun 5, 2023 |
| Linux | webkit2gtk3-jsc RHEL 9 | 0:2.38.5-1.el9_2.2 | [RHSA-2023:3432](https://patchblox.com/security/data/fix/linux/rhsa-2023-3432.md) | Jun 5, 2023 |
| Linux | webkit2gtk3-jsc almalinux 8 | 2.38.5-1.el8_8.4 | [ALSA-2023:3433](https://patchblox.com/security/data/fix/linux/alsa-2023-3433.md) | Jun 5, 2023 |
| Linux | webkit2gtk3-jsc almalinux 9 | 2.38.5-1.el9_2.2 | [ALSA-2023:3432](https://patchblox.com/security/data/fix/linux/alsa-2023-3432.md) | Jun 5, 2023 |
| Linux | webkit2gtk3-jsc ol 8 | 0:2.38.5-1.el8_8.4 | [ELSA-2023-3433](https://patchblox.com/security/data/fix/linux/elsa-2023-3433.md) | Jun 6, 2023 |
| Linux | webkit2gtk3-jsc ol 9 | 0:2.38.5-1.el9_2.2 | [ELSA-2023-3432](https://patchblox.com/security/data/fix/linux/elsa-2023-3432.md) | Jun 6, 2023 |
| Linux | webkit2gtk3-jsc-devel RHEL 8 | 0:2.38.5-1.el8_8.4 | [RHSA-2023:3433](https://patchblox.com/security/data/fix/linux/rhsa-2023-3433.md) | Jun 5, 2023 |
| Linux | webkit2gtk3-jsc-devel RHEL 9 | 0:2.38.5-1.el9_2.2 | [RHSA-2023:3432](https://patchblox.com/security/data/fix/linux/rhsa-2023-3432.md) | Jun 5, 2023 |
| Linux | webkit2gtk3-jsc-devel almalinux 8 | 2.38.5-1.el8_8.4 | [ALSA-2023:3433](https://patchblox.com/security/data/fix/linux/alsa-2023-3433.md) | Jun 5, 2023 |
| Linux | webkit2gtk3-jsc-devel almalinux 9 | 2.38.5-1.el9_2.2 | [ALSA-2023:3432](https://patchblox.com/security/data/fix/linux/alsa-2023-3432.md) | Jun 5, 2023 |
| Linux | webkit2gtk3-jsc-devel ol 8 | 0:2.38.5-1.el8_8.4 | [ELSA-2023-3433](https://patchblox.com/security/data/fix/linux/elsa-2023-3433.md) | Jun 6, 2023 |
| Linux | webkit2gtk3-jsc-devel ol 9 | 0:2.38.5-1.el9_2.2 | [ELSA-2023-3432](https://patchblox.com/security/data/fix/linux/elsa-2023-3432.md) | Jun 6, 2023 |
| Linux | wpewebkit Debian 13.5 (trixie) | 2.40.2-2 | [DEBIAN-CVE-2023-32373](https://patchblox.com/security/data/fix/linux/debian-cve-2023-32373.md) | Jun 23, 2023 |
| Linux | wpewebkit Debian 14 | 2.40.2-2 | [DEBIAN-CVE-2023-32373](https://patchblox.com/security/data/fix/linux/debian-cve-2023-32373.md) | Jun 23, 2023 |

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