Important: thunderbird security update
Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fix(es): * thunderbird: User Interface (UI) Misrepresentation of attachment URL (CVE-2025-3523) * thunderbird: Information Disclosure of /tmp directory listing (CVE-2025-2830) * thunderbird: Leak of hashed Window credentials via crafted attachment URL (CVE-2025-3522) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fix(es): * thunderbird: User Interface (UI) Misrepresentation of attachment URL (CVE-2025-3523) * thunderbird: Information Disclosure of /tmp directory listing (CVE-2025-2830) * thunderbird: Leak of hashed Window credentials via crafted attachment URL (CVE-2025-3522) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
05 / REFERENCES
Further evidence
- https://access.redhat.com/errata/RHSA-2025:7435
- https://access.redhat.com/security/cve/CVE-2025-2830
- https://access.redhat.com/security/cve/CVE-2025-3522
- https://access.redhat.com/security/cve/CVE-2025-3523
- https://bugzilla.redhat.com/2359786
- https://bugzilla.redhat.com/2359789
- https://bugzilla.redhat.com/2359793
- https://errata.almalinux.org/9/ALSA-2025-7435.html