Linux · 
Debian · Security advisory · May 14, 2025
Debian · Security advisory · May 14, 2025CVE-2025-3877: thunderbird security update
CVE-2025-3877, released May 14, 2025, 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
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
n/a
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| thunderbird | Debian 11.6 (bullseye) | 1:128.10.1esr-1~deb11u1 |
| thunderbird | Debian 12.15 (bookworm) | 1:128.10.1esr-1~deb12u1 |
| thunderbird | Debian 13.5 (trixie) | 1:128.10.1esr-1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2025-3877 | thunderbird: Rejected reason: This CVE was marked as fixed, but due to other code landing - was not actually fixed | 8.8 | n/a | None reported |
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