# CVE-2025-6703: firefox: Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2025-9185: 	Memory sa...

CVE-2025-6703 is fixed in 3 products on 1 platform, first by ALAS2023-2025-1171, released August 27, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-6703
- Priority: High
- CVSS: n/a (important)
- EPSS: 0.0025
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 27, 2025

## Description

Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2025-9185: 	Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.  CVE-2025-9184: 	Memory safety bugs present in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 142, Firefox ESR < 140.2, Thunderbird < 142, and Thunderbird < 140.2.  CVE-2025-9183: 	Spoofing issue in the Address Bar component. This vulnerability affects Firefox < 142 and Firefox ESR < 140.2.  CVE-2025-9182: 	'Denial-of-service due to out-of-memory in the Graphics: WebRender component.' This vulnerability affects Firefox < 142, Firefox ESR < 140.2, Thunderbird < 142, and Thunderbird < 140.2.  CVE-2025-9181: 	Uninitialized memory in the JavaScript Engine component. This vulnerability affects Firefox < 142, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.  CVE-2025-9180: 	'Same-origin policy bypass in the Graphics: Canvas2D component.' This vulnerability affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.  CVE-2025-9179: 	An attacker was able to perform memory corruption in the GMP process which processes encrypted media. This process is also heavily sandboxed, but represents slightly different privileges from the content process. This vulnerability affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.  CVE-2025-6703: 	Improper Input Validation vulnerability in Mozilla neqo leads to an unexploitable crash..This issue affects neqo: from 0.4.24 through 0.13.2.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | firefox amzn 2023 | 140.2.0-1.amzn2023.0.1 | [ALAS2023-2025-1171](https://patchblox.com/security/data/fix/linux/alas2023-2025-1171.md) | Aug 27, 2025 |
| Linux | firefox-debuginfo amzn 2023 | 140.2.0-1.amzn2023.0.1 | [ALAS2023-2025-1171](https://patchblox.com/security/data/fix/linux/alas2023-2025-1171.md) | Aug 27, 2025 |
| Linux | firefox-debugsource amzn 2023 | 140.2.0-1.amzn2023.0.1 | [ALAS2023-2025-1171](https://patchblox.com/security/data/fix/linux/alas2023-2025-1171.md) | Aug 27, 2025 |

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Data as of 2026-11-10T07:50:38Z 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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