vulnerability

MFSA2025-27 Thunderbird: Security Vulnerabilities fixed in Thunderbird ESR 128.9.2 (CVE-2025-3523)

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
2025-04-15
Added
2025-04-16
Modified
2025-05-15

Description

When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is shown when hovering over any attachment. Although the correct link is used on click, the misleading hover text could trick users into downloading content from untrusted sources. This vulnerability affects Thunderbird

Solution

mozilla-thunderbird-upgrade-128_9_2
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.