Linux · Security advisory · February 3, 2026
DSA-6118-1: thunderbird security update
DSA-6118-1, released February 3, 2026, fixes 1 CVE in thunderbird. None of them is reported as exploited. Patch Radar priority: Routine.
Routine
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0018
7th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| thunderbird | Debian 12.15 (bookworm) | 1:140.7.1esr-1~deb12u1 |
| thunderbird | Debian 13.5 (trixie) | 1:140.7.1esr-1~deb13u1 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Routine | CVE-2026-0818 | CSS-based exfiltration of the content from partially encrypted emails when allowing remote content | 4.3 | 0.0018 | None reported |
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