CVE-2021-21779CWE-416

A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4

Medium · published July 8, 2021

CVSS v3.0
6.8
EPSS
3%
Percentile
87.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
6.8 · MEDIUM
Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.02924 · 87.0th percentile
Weakness
CWE-416 · Use After Free
Published
2021-07-08T11:21Z
EPSS history
Timeline
  • 08 JUL 11:21Z
    A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4
    cvelistv5