VDB
DEBIAN-CVE-2021-21779
DEBIAN-CVE-2021-21779
PUBLISHED
CVSS 8.800000190734863 HIGH
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.
Risk Scores
CVSS 3.1
8.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | webkit2gtk | 0, 0, 0 |
| Debian:11 | wpewebkit | 0, 0, 0 |
| Debian:12 | wpewebkit | 0, 0, 0 |
| Debian:14 | wpewebkit | 0, 0, 0 |
| Debian:13 | webkit2gtk | 0, 0, 0 |
| Debian:12 | webkit2gtk | 0, 0, 0 |
| Debian:14 | webkit2gtk | 0, 0, 0 |
| Debian:13 | wpewebkit | 0, 0, 0 |
Timeline
- Jul 8, 2021 CVE Published
- Apr 28, 2026 CVE Updated