Release Date: | 2021-07-07 |
A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.
See more information about CVE-2021-21775 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
Base Score: | 8.8 | Base Metrics: | AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Access Vector: | Network | Attack Complexity: | Low |
Privileges Required: | None | User Interaction: | Required |
Scope: | Unchanged | Confidentiality Impact: | High |
Integrity Impact: | High | Availability Impact: | High |
Platform | Errata | Release Date |
Oracle Linux version 8 (LibRaw) | ELSA-2021-4381 | 2021-11-16 |
Oracle Linux version 8 (accountsservice) | ELSA-2021-4381 | 2021-11-16 |
Oracle Linux version 8 (gdm) | ELSA-2021-4381 | 2021-11-16 |
Oracle Linux version 8 (gnome-autoar) | ELSA-2021-4381 | 2021-11-16 |
Oracle Linux version 8 (gnome-calculator) | ELSA-2021-4381 | 2021-11-16 |
Oracle Linux version 8 (gnome-control-center) | ELSA-2021-4381 | 2021-11-16 |
Oracle Linux version 8 (gnome-online-accounts) | ELSA-2021-4381 | 2021-11-16 |
Oracle Linux version 8 (gnome-session) | ELSA-2021-4381 | 2021-11-16 |
Oracle Linux version 8 (gnome-settings-daemon) | ELSA-2021-4381 | 2021-11-16 |
Oracle Linux version 8 (gnome-shell) | ELSA-2021-4381 | 2021-11-16 |
Oracle Linux version 8 (gnome-shell-extensions) | ELSA-2021-4381 | 2021-11-16 |
Oracle Linux version 8 (gnome-software) | ELSA-2021-4381 | 2021-11-16 |
Oracle Linux version 8 (gsettings-desktop-schemas) | ELSA-2021-4381 | 2021-11-16 |
Oracle Linux version 8 (gtk3) | ELSA-2021-4381 | 2021-11-16 |
Oracle Linux version 8 (mutter) | ELSA-2021-4381 | 2021-11-16 |
Oracle Linux version 8 (vino) | ELSA-2021-4381 | 2021-11-16 |
Oracle Linux version 8 (webkit2gtk3) | ELSA-2021-4381 | 2021-11-16 |
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team