1. Home
  2. CVE Database
  3. CVE-2025-26695
MEDIUM · 5.3

CVE-2025-26695

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 i...

Vulnerability 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.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW

Affected Products

VendorProductVersions
MozillaThunderbird< 128.8.0

References

FAQ

What is CVE-2025-26695?

CVE-2025-26695 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 i...

How severe is CVE-2025-26695?

CVE-2025-26695 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-26695?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Thunderbird.