Linux · Security advisory · January 17, 2026
DSA-6103-1: thunderbird security update
DSA-6103-1, released January 17, 2026, fixes 1 CVE in thunderbird. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0038
32nd percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| thunderbird | Debian 12.15 (bookworm) | 1:140.7.0esr-1~deb12u1 |
| thunderbird | Debian 13.5 (trixie) | 1:140.7.0esr-1~deb13u1 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2025-14327 | Spoofing issue in the Downloads Panel component | 7.5 | 0.0038 | None reported |
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