CVE-2026-64719
webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 20, 2026
Updated · August 21, 2026
Description
A flaw was found in WebKitGTK. Processing malicious web content can cause an out-of-bounds access issue due to improper bounds checking and result in an unexpected process crash.
Statement
To exploit this issue, an attacker needs to trick a user into processing or loading malicious web content. Due to this reason, this flaw has been rated with an important severity. Additionally, this issue can cause an unexpected process crash but the possibility of remote code execution is not discarded.
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-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')