# RLSA-2024:2145: libX11 security update

RLSA-2024:2145, released May 7, 2025, fixes 3 CVEs in libX11 (version 0:1.7.0-9.el9). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rlsa-2024-2145
- Platform: Linux
- Released: May 7, 2025
- Priority: High (Closes CVE-2023-43785, high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://errata.rockylinux.org/RLSA-2024:2145

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libX11](https://patchblox.com/security/data/product/linux/libx11-libx11.md) | rocky 9 | 0:1.7.0-9.el9 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-43785](https://patchblox.com/security/data/cve/CVE-2023-43785.md) | High | libx11: A vulnerability was found in libX11 due to a boundary condition within the _XkbReadKeySyms() function | 7.8 | 0.0067 |  |
| [CVE-2023-43786](https://patchblox.com/security/data/cve/CVE-2023-43786.md) | High | libx11: A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function | 7.8 | 0.0048 |  |
| [CVE-2023-43787](https://patchblox.com/security/data/cve/CVE-2023-43787.md) | High | libx11: A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function | 7.8 | 0.0048 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo