vulnerability
Ubuntu: (Multiple Advisories) (CVE-2020-26960): Firefox vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Nov 18, 2020 | Nov 19, 2020 | Aug 18, 2025 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Nov 18, 2020
Added
Nov 19, 2020
Modified
Aug 18, 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.
Solutions
ubuntu-upgrade-firefoxubuntu-upgrade-thunderbird
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