# ELSA-2023-6535: Security update for 4 packages

ELSA-2023-6535, released November 11, 2023, fixes 18 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2023-6535
- Platform: Linux
- Released: Nov 11, 2023
- Priority: High (Closes CVE-2023-40397, high severity)
- CVEs: 18, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2023-6535.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [webkit2gtk3](https://patchblox.com/security/data/product/linux/webkit2gtk3.md) | ol 9 | 0:2.40.5-1.el9 |
| [webkit2gtk3-devel](https://patchblox.com/security/data/product/linux/webkit2gtk3-devel.md) | ol 9 | 0:2.40.5-1.el9 |
| [webkit2gtk3-jsc](https://patchblox.com/security/data/product/linux/webkit2gtk3-jsc.md) | ol 9 | 0:2.40.5-1.el9 |
| [webkit2gtk3-jsc-devel](https://patchblox.com/security/data/product/linux/webkit2gtk3-jsc-devel.md) | ol 9 | 0:2.40.5-1.el9 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-40397](https://patchblox.com/security/data/cve/CVE-2023-40397.md) | High | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.  Security Fix(es):  * webkitgt... | 9.8 | 0.0167 |  |
| [CVE-2023-39434](https://patchblox.com/security/data/cve/CVE-2023-39434.md) | High | libjavascriptcoregtk-4.0-18: A use-after-free issue was addressed with improved memory management | 8.8 | 0.0165 |  |
| [CVE-2023-38600](https://patchblox.com/security/data/cve/CVE-2023-38600.md) | High | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.  Security Fix(es):  * webkitgt... | 8.8 | 0.0143 |  |
| [CVE-2023-38595](https://patchblox.com/security/data/cve/CVE-2023-38595.md) | High | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.  Security Fix(es):  * webkitgt... | 8.8 | 0.0126 |  |
| [CVE-2023-38611](https://patchblox.com/security/data/cve/CVE-2023-38611.md) | High | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.  Security Fix(es):  * webkitgt... | 8.8 | 0.0126 |  |
| [CVE-2023-38594](https://patchblox.com/security/data/cve/CVE-2023-38594.md) | High | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.  Security Fix(es):  * webkitgt... | 8.8 | 0.0124 |  |
| [CVE-2023-38592](https://patchblox.com/security/data/cve/CVE-2023-38592.md) | High | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.  Security Fix(es):  * webkitgt... | 8.8 | 0.0121 |  |
| [CVE-2023-38597](https://patchblox.com/security/data/cve/CVE-2023-38597.md) | High | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.  Security Fix(es):  * webkitgt... | 8.8 | 0.0121 |  |
| [CVE-2023-38572](https://patchblox.com/security/data/cve/CVE-2023-38572.md) | High | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.  Security Fix(es):  * webkitgt... | 7.5 | 0.0117 |  |
| [CVE-2023-40451](https://patchblox.com/security/data/cve/CVE-2023-40451.md) | High | webkit2gtk: This issue was addressed with improved iframe sandbox enforcement | 8.8 | 0.0109 |  |
| [CVE-2023-32393](https://patchblox.com/security/data/cve/CVE-2023-32393.md) | High | webkit2gtk: The issue was addressed with improved memory handling | 8.8 | 0.0095 |  |
| [CVE-2023-28198](https://patchblox.com/security/data/cve/CVE-2023-28198.md) | High | webkit2gtk: A use-after-free issue was addressed with improved memory management | 8.8 | 0.0093 |  |
| [CVE-2022-32885](https://patchblox.com/security/data/cve/CVE-2022-32885.md) | High | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.  Security Fix(es):  * webkitgt... | 8.8 | 0.0080 |  |
| [CVE-2023-38133](https://patchblox.com/security/data/cve/CVE-2023-38133.md) | Routine | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.  Security Fix(es):  * webkitgt... | 6.5 | 0.0104 |  |
| [CVE-2023-38599](https://patchblox.com/security/data/cve/CVE-2023-38599.md) | Routine | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.  Security Fix(es):  * webkitgt... | 6.5 | 0.0104 |  |
| [CVE-2023-27954](https://patchblox.com/security/data/cve/CVE-2023-27954.md) | Routine | webkit2gtk: The issue was addressed by removing origin information | 6.5 | 0.0093 |  |
| [CVE-2023-32370](https://patchblox.com/security/data/cve/CVE-2023-32370.md) | Routine | webkit2gtk: A logic issue was addressed with improved validation | 5.3 | 0.0079 |  |
| [CVE-2023-27932](https://patchblox.com/security/data/cve/CVE-2023-27932.md) | Routine | webkit2gtk: This issue was addressed with improved state management | 5.5 | 0.0020 |  |

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Data as of 2026-11-07T06:34:28Z 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