CVE-2025-26696

HIGH EPSS 24.9%
Published Mar 10, 20251y ago · Modified Jun 17, 20261w ago
7.0 CVSS 3.1
High
Find Similar
Published Mar 10, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

Certain crafted MIME email messages that claimed to contain an encrypted OpenPGP message, which instead contained an OpenPGP signed message, were wrongly shown as being encrypted. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8.

CVSS Details

Base Score
7.0
Exploitability
2.2
Impact
4.7
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Low
Availability Low

Threat Intelligence

EPSS Exploit Probability
24.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-290

Affected Products 2

VendorProductVersionRange
mozillathunderbird* <128.8.0
mozillathunderbird*≥129.0  –  <136.0

References 3

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1864205
    Issue Tracking
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-17/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-18/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.