vulnerability
Oracle Linux: CVE-2021-38504: ELSA-2021-4116: firefox security update (IMPORTANT) (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Nov 2, 2021 | Nov 4, 2021 | Dec 3, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Nov 2, 2021
Added
Nov 4, 2021
Modified
Dec 3, 2025
Description
When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
The Mozilla Foundation Security Advisory describes this flaw as:
When interacting with an HTML input element's file picker dialog with `webkitdirectory` set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash.
The Mozilla Foundation Security Advisory describes this flaw as:
When interacting with an HTML input element's file picker dialog with `webkitdirectory` set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash.
Solutions
oracle-linux-upgrade-firefoxoracle-linux-upgrade-thunderbird
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