# CVE-2018-4089: gir1.2-javascriptcoregtk-4.0: An issue was discovered in certain Apple products

CVE-2018-4089 is fixed in 6 products on 1 platform, first by gir1.2-javascriptcoregtk-4.0 2.18.4-1, released April 2, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-4089
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0639
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 2, 2018

## Description

An issue was discovered in certain Apple products. iOS before 11.2.5 is affected. macOS before 10.13.3 is affected. Safari before 11.0.3 is affected. tvOS before 11.2.5 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gir1.2-javascriptcoregtk-4.0 Ubuntu 18.04.6 LTS (bionic) | 2.18.4-1 | [gir1.2-javascriptcoregtk-4.0 2.18.4-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-javascriptcoregtk-4.0-2.18.4-1.md) | Apr 2, 2018 |
| Linux | gir1.2-webkit2-4.0 Ubuntu 18.04.6 LTS (bionic) | 2.18.4-1 | [gir1.2-webkit2-4.0 2.18.4-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-webkit2-4.0-2.18.4-1.md) | Apr 2, 2018 |
| Linux | libjavascriptcoregtk-4.0-18 Ubuntu 18.04.6 LTS (bionic) | 2.18.4-1 | [libjavascriptcoregtk-4.0-18 2.18.4-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-18-2.18.4-1.md) | Apr 2, 2018 |
| Linux | libjavascriptcoregtk-4.0-bin Ubuntu 18.04.6 LTS (bionic) | 2.18.4-1 | [libjavascriptcoregtk-4.0-bin 2.18.4-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-bin-2.18.4-1.md) | Apr 2, 2018 |
| Linux | libwebkit2gtk-4.0-37 Ubuntu 18.04.6 LTS (bionic) | 2.18.4-1 | [libwebkit2gtk-4.0-37 2.18.4-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwebkit2gtk-4.0-37-2.18.4-1.md) | Apr 2, 2018 |
| Linux | libwebkit2gtk-4.0-37-gtk2 Ubuntu 18.04.6 LTS (bionic) | 2.18.4-1 | [libwebkit2gtk-4.0-37-gtk2 2.18.4-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwebkit2gtk-4.0-37-gtk2-2.18.4-1.md) | Apr 2, 2018 |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo