CVE-2025-9185
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-08-19
Last updated on: 2026-04-13
Assigner: Mozilla Corporation
Description
Description
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 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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mozilla | firefox | From 60.9.0 (exc) |
| mozilla | firefox | From 60.9.0 (exc) |
| mozilla | thunderbird | to 140.0 (inc) |
| mozilla | thunderbird | to 140.0 (inc) |
| mozilla | thunderbird | to 140.0 (inc) |
| mozilla | firefox | From 60.9.0 (exc) |
| mozilla | firefox | From 60.9.0 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-119 | The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
| CWE-NVD-CWE-noinfo |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves memory safety bugs in various versions of Firefox and Thunderbird. These bugs can cause memory corruption, which potentially allows an attacker to execute arbitrary code on the affected system.
How can this vulnerability impact me? :
If exploited, this vulnerability could allow an attacker to run arbitrary code on your system, potentially leading to unauthorized access, data theft, or system compromise.
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