CVEvulnerability
CVE-2025-26695
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2025-03-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.3 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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.
Affected configurations
• mozilla thunderbird (< 128.8.0)
• mozilla thunderbird (>= 129.0 < 136.0)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1883039 Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2025-17/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-18/ Vendor Advisory