# ELSA-2025-18155: Security update for 2 packages

ELSA-2025-18155, released October 16, 2025, fixes 7 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2025-18155
- Platform: Linux
- Released: Oct 16, 2025
- Priority: High (Closes CVE-2025-11708, high severity)
- CVEs: 7, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2025-18155.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [firefox](https://patchblox.com/security/data/product/linux/firefox.md) | ol 9 | 0:140.4.0-3.0.1.el9_6 |
| [firefox-x11](https://patchblox.com/security/data/product/linux/firefox-x11.md) | ol 9 | 0:140.4.0-3.0.1.el9_6 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-11708](https://patchblox.com/security/data/cve/CVE-2025-11708.md) | High | Use-after-free in MediaTrackGraphImpl::GetInstance() | 9.8 | 0.0051 |  |
| [CVE-2025-11709](https://patchblox.com/security/data/cve/CVE-2025-11709.md) | High | Out of bounds read/write in a privileged process triggered by WebGL textures | 9.8 | 0.0042 |  |
| [CVE-2025-11710](https://patchblox.com/security/data/cve/CVE-2025-11710.md) | High | Cross-process information leaked due to malicious IPC messages | 9.8 | 0.0042 |  |
| [CVE-2025-11714](https://patchblox.com/security/data/cve/CVE-2025-11714.md) | High | Memory safety bugs fixed in Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144 and Thunderbird 144 | 8.8 | 0.0034 |  |
| [CVE-2025-11715](https://patchblox.com/security/data/cve/CVE-2025-11715.md) | High | Memory safety bugs fixed in Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144 and Thunderbird 144 | 8.8 | 0.0033 |  |
| [CVE-2025-11711](https://patchblox.com/security/data/cve/CVE-2025-11711.md) | High | Some non-writable Object properties could be modified | 7.5 | 0.0023 |  |
| [CVE-2025-11712](https://patchblox.com/security/data/cve/CVE-2025-11712.md) | High | An OBJECT tag type attribute overrode browser behavior on web resources without a content-type | 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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