7.5
High
CVE-2025-1937 Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, and Thunderbird 128.7
Description
Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, and Thunderbird 128.7. 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 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 136 | earliest → < 136 | 136 |
| Firefox 128.8 | earliest → < 128.8 | 128.8 |
| Firefox 115.21 | earliest → < 115.21 | 115.21 |
| Firefox ESR 128.8 | earliest → < 128.8 | 128.8 |
| Thunderbird 136 | earliest → < 136 | 136 |
| Thunderbird 128.8 | earliest → < 128.8 | 128.8 |
References
- Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 115.21, Firefox ESR 128.8, and Thunderbird 128.8 bugzilla.mozilla.org
- www.mozilla.org www.mozilla.org
- www.mozilla.org www.mozilla.org
- www.mozilla.org www.mozilla.org
- www.mozilla.org www.mozilla.org
- www.mozilla.org www.mozilla.org
Timeline
- Published
- Last modified
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