vulnerability
Alpine Linux: CVE-2021-21779: Use After Free
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Jul 8, 2021 | Aug 22, 2024 | Mar 25, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Jul 8, 2021
Added
Aug 22, 2024
Modified
Mar 25, 2026
Description
A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.
Solution
alpine-linux-upgrade-webkit2gtk
Rapid7 Labs
2026 Global Threat Landscape Report
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