CVE-2025-26695
Medium
Description
When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requested email address. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Mozilla Thunderbird
PublishedMar 10, 2025
First seenMar 10, 2025
How to fix
Update
- mozilla thunderbird128.8.0, 136.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla thunderbird | v < 128.8.0, 129.0 ≤ v < 136.0 | 128.8.0, 136.0 |
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