HomeMozillaCVE-2026-3889

CVE-2026-3889

MEDIUM
6.5CVSS
Published: 2026-03-24
Updated: 2026-03-27
AI Analysis

Description

Spoofing issue in Thunderbird. This vulnerability affects Thunderbird < 149 and Thunderbird < 140.9.

CVSS Metrics

Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack Vector
network
Complexity
low
Privileges
none
User Action
required
Scope
unchanged
Confidentiality
none
Integrity
high
Availability
none
Weaknesses
CWE-451

Metadata

Primary Vendor
MOZILLA
Published
3/24/2026
Last Modified
3/27/2026
Source
NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

mozilla : thunderbirdmozilla : thunderbird

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CVE-CVE-2026-3889 | MEDIUM Severity | CVEDatabase.com | CVEDatabase.com