Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2021-21779

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.

  • Published: Jul 8, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-21779
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.8
  • AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.8
  • AV:N/AC:M/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
webkitgtk / webkitgtk 2.30.4 2.30.4.x
fedoraproject / fedora 33 33.x
fedoraproject / fedora 34 34.x
debian / debian_linux 10.0 10.0.x