CVE-2021-30663
webkitgtk: Integer overflow leading to arbitrary code execution
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 28, 2021
Updated · November 21, 2025
Description
A flaw was found in the webkitgtk package. Affected versions of this package could allow a remote attacker to execute arbitrary code on the system caused by an integer overflow in the WebKit component. An attacker can execute arbitrary code on the system by persuading a victim to visit a specially crafted Web site.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-190 · Integer Overflow or Wraparound