CVE-2021-21775
Public on 2021-07-07
Modified on 2023-06-07
Description
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.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2023 | webkit2gtk3-2.32.1-1.amzn2022 | Not Affected | ||
| Amazon Linux 2 - Core | webkitgtk4 | 2023-06-07 | ALAS2-2023-2088 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | CVSSv2 | 6.0 | AV:N/AC:M/Au:S/C:P/I:P/A:P |
| NVD | CVSSv3 | 8.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |