vulnerability
Debian: CVE-2020-26960: firefox-esr, thunderbird -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Nov 20, 2020 | Nov 20, 2020 | Mar 30, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Nov 20, 2020
Added
Nov 20, 2020
Modified
Mar 30, 2026
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
debian-upgrade-firefox-esrdebian-upgrade-thunderbird
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