# ELSA-2026-71652: firefox security update

ELSA-2026-71652, released September 29, 2026, fixes 28 CVEs in firefox (version 0:140.16.0-1.0.1.el8_10). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/elsa-2026-71652
- Platform: Linux
- Released: Sep 29, 2026
- Priority: Urgent (Closes CVE-2026-92018, rated Critical)
- CVEs: 28, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2026-71652.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [firefox](https://patchblox.com/security/data/product/linux/firefox.md) | ol 8 | 0:140.16.0-1.0.1.el8_10 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-92018](https://patchblox.com/security/data/cve/CVE-2026-92018.md) | Urgent | Sandbox escape in the DOM: Core & HTML component | 9.6 | 0.0033 |  |
| [CVE-2026-92032](https://patchblox.com/security/data/cve/CVE-2026-92032.md) | Urgent | Sandbox escape due to invalid pointer in the Graphics component | 9.6 | 0.0032 |  |
| [CVE-2026-92005](https://patchblox.com/security/data/cve/CVE-2026-92005.md) | High | Use-after-free in the Audio/Video: Web Codecs component | 7.5 | 0.0036 |  |
| [CVE-2026-92006](https://patchblox.com/security/data/cve/CVE-2026-92006.md) | High | Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component | 8.8 | 0.0033 |  |
| [CVE-2026-92022](https://patchblox.com/security/data/cve/CVE-2026-92022.md) | High | Use-after-free in the DOM: HTML Parser component | 8.8 | 0.0032 |  |
| [CVE-2026-92023](https://patchblox.com/security/data/cve/CVE-2026-92023.md) | High | Use-after-free in the XML component | 8.8 | 0.0032 |  |
| [CVE-2026-92024](https://patchblox.com/security/data/cve/CVE-2026-92024.md) | High | Use-after-free in the SVG component | 8.8 | 0.0032 |  |
| [CVE-2026-92025](https://patchblox.com/security/data/cve/CVE-2026-92025.md) | High | Use-after-free in the DOM: Navigation component | 8.8 | 0.0032 |  |
| [CVE-2026-92027](https://patchblox.com/security/data/cve/CVE-2026-92027.md) | High | Use-after-free in the DOM: Streams component | 8.8 | 0.0032 |  |
| [CVE-2026-92028](https://patchblox.com/security/data/cve/CVE-2026-92028.md) | High | Use-after-free in the DOM: Core & HTML component | 8.8 | 0.0032 |  |
| [CVE-2026-92029](https://patchblox.com/security/data/cve/CVE-2026-92029.md) | High | Use-after-free in the SVG component | 8.8 | 0.0032 |  |
| [CVE-2026-92016](https://patchblox.com/security/data/cve/CVE-2026-92016.md) | High | Use-after-free in the Disability Access APIs component | 8.8 | 0.0031 |  |
| [CVE-2026-92026](https://patchblox.com/security/data/cve/CVE-2026-92026.md) | High | Use-after-free in the Networking component | 8.8 | 0.0031 |  |
| [CVE-2026-92019](https://patchblox.com/security/data/cve/CVE-2026-92019.md) | High | Mitigation bypass in the Remote Settings Client component | 8.1 | 0.0031 |  |
| [CVE-2026-92031](https://patchblox.com/security/data/cve/CVE-2026-92031.md) | High | Information disclosure in the Graphics: ImageLib component | 7.5 | 0.0031 |  |
| [CVE-2026-92021](https://patchblox.com/security/data/cve/CVE-2026-92021.md) | High | Use-after-free in the JavaScript Engine: JIT component | 8.8 | 0.0028 |  |
| [CVE-2026-92015](https://patchblox.com/security/data/cve/CVE-2026-92015.md) | High | Privilege escalation in the WebExtensions component | 8.8 | 0.0026 |  |
| [CVE-2026-92007](https://patchblox.com/security/data/cve/CVE-2026-92007.md) | High | Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component | 8.8 | 0.0026 |  |
| [CVE-2026-92008](https://patchblox.com/security/data/cve/CVE-2026-92008.md) | High | Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component | 8.8 | 0.0026 |  |
| [CVE-2026-92009](https://patchblox.com/security/data/cve/CVE-2026-92009.md) | High | Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component | 8.8 | 0.0026 |  |
| [CVE-2026-92010](https://patchblox.com/security/data/cve/CVE-2026-92010.md) | High | Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component | 8.8 | 0.0026 |  |
| [CVE-2026-92011](https://patchblox.com/security/data/cve/CVE-2026-92011.md) | High | Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component | 8.8 | 0.0026 |  |
| [CVE-2026-92012](https://patchblox.com/security/data/cve/CVE-2026-92012.md) | High | Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component | 8.8 | 0.0026 |  |
| [CVE-2026-92013](https://patchblox.com/security/data/cve/CVE-2026-92013.md) | High | Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component | 8.8 | 0.0026 |  |
| [CVE-2026-92020](https://patchblox.com/security/data/cve/CVE-2026-92020.md) | High | Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component | 8.8 | 0.0026 |  |
| [CVE-2026-92014](https://patchblox.com/security/data/cve/CVE-2026-92014.md) | High | Privilege escalation due to incorrect boundary conditions in the Graphics component | 8.8 | 0.0024 |  |
| [CVE-2026-92017](https://patchblox.com/security/data/cve/CVE-2026-92017.md) | High | Privilege escalation in the DOM: Service Workers component | 8.8 | 0.0024 |  |
| [CVE-2026-92030](https://patchblox.com/security/data/cve/CVE-2026-92030.md) | High | Mitigation bypass in the DOM: Copy & Paste and Drag & Drop component | 7.5 | 0.0022 |  |

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Data as of 2026-11-07T18:46:35Z 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

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