8.1
High
CVE-2025-4093 Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9
Description
Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 128.10 and Thunderbird 128.10.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox ESR 128.10 | earliest → < 128.10 | 128.10 |
| Thunderbird 128.10 | earliest → < 128.10 | 128.10 |
| Firefox 128.10 | earliest → < 128.10 | 128.10 |
References
- Memory safety bug fixed in Firefox ESR 128.10 and Thunderbird 128.10 bugzilla.mozilla.org
- www.mozilla.org www.mozilla.org
- www.mozilla.org www.mozilla.org
Timeline
- Published
- Last modified
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