CVE-2021-21806

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64

High · published July 8, 2021

CVSS v3.0
8.8
EPSS
3%
Percentile
86.5
In the wild
Unconfirmed
What it is

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in remote code execution. The victim needs to visit a malicious web site to trigger the vulnerability.

The record
Technical detail
CVSS v3.0
8.8 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02835 · 86.5th percentile
Published
2021-07-08T11:06Z
EPSS history
Timeline
  • 08 JUL 11:06Z
    An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64
    cvelistv5