vulnerability
MFSA2020-52 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.5 (CVE-2020-26960)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Nov 17, 2020 | Nov 18, 2020 | Aug 12, 2025 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Nov 17, 2020
Added
Nov 18, 2020
Modified
Aug 12, 2025
Description
If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
Solution
mozilla-thunderbird-upgrade-78_5
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