Mozilla Thunderbird ESR (cs) 128.11.1
Mozilla Thunderbird ESR (cs) 128.11.1, released June 10, 2025, fixes 1 CVE in Mozilla Thunderbird ESR (cs). None of them is reported as exploited. Patch Radar priority: High. The latest Mozilla Thunderbird ESR (cs) is 153.7.0, which also fixes every one of these CVEs.
Superseded. The latest Mozilla Thunderbird ESR (cs) is 153.7.0, which also fixes every CVE on this page. Install that instead.
Applies to
| Product | Version |
|---|---|
| Mozilla Thunderbird ESR (cs) | 128.11.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2025-5986 | Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links | 7.5 | 0.0061 | None reported |
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