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 was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.
Metrics
Affected Vendors & Products
References
History
Mon, 13 Apr 2026 15:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | 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 was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2. |
Mon, 03 Nov 2025 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
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Thu, 30 Oct 2025 16:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | thunderbird: firefox: Sandbox escape due to invalid pointer in the Audio/Video: GMP component | Sandbox escape due to invalid pointer in the Audio/Video: GMP component |
Fri, 22 Aug 2025 00:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | thunderbird: firefox: Sandbox escape due to invalid pointer in the Audio/Video: GMP component | |
| References |
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| Metrics |
threat_severity
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threat_severity
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Thu, 21 Aug 2025 18:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* |
Thu, 21 Aug 2025 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla
Mozilla firefox Mozilla firefox Esr Mozilla thunderbird |
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| Vendors & Products |
Mozilla
Mozilla firefox Mozilla firefox Esr Mozilla thunderbird |
Wed, 20 Aug 2025 16:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-119 | |
| Metrics |
cvssV3_1
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Tue, 19 Aug 2025 20:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| References |
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Status: PUBLISHED
Assigner: mozilla
Published: 2025-08-19T20:33:53.949Z
Updated: 2026-04-13T14:25:47.601Z
Reserved: 2025-08-19T15:55:37.418Z
Link: CVE-2025-9179
Updated: 2025-11-03T18:14:10.275Z
Status : Modified
Published: 2025-08-19T21:15:30.247
Modified: 2026-04-13T15:17:13.367
Link: CVE-2025-9179