CVE-2021-30953
webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · January 21, 2022
Updated · November 22, 2025
Description
A flaw was found in webkitgtk. The vulnerability occurs due to improper bounds checking, which can lead to an out-of-bounds read vulnerability. An attacker with network access could pass specially crafted web content files causing an application to halt, crash, or may lead to arbitrary code execution.
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-125 · Out-of-bounds Read