Mozilla Thunderbird (en-US) 78.11.0
Mozilla Thunderbird (en-US) 78.11.0, released May 28, 2021, fixes 2 CVEs in Mozilla Thunderbird (en-US). None of them is reported as exploited. Patch Radar priority: High. The latest Mozilla Thunderbird (en-US) is 159.0, which also fixes every one of these CVEs.
Superseded. The latest Mozilla Thunderbird (en-US) is 159.0, which also fixes every CVE on this page. Install that instead.
Priority of the 2 CVEs
Applies to
| Product | Version |
|---|---|
| Mozilla Thunderbird (en-US) | 78.11.0 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2021-29967 | Firefox ESR and 3 others: Mozilla developers reported memory safety bugs present in Firefox 88 and Firefox ESR 78.11. | 8.8 | 0.0137 | None reported |
| High | CVE-2021-29964 | Firefox ESR and 3 others: A locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly,… | 7.1 | 0.0082 | None reported |
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