๐Ÿ” CVE Alert

CVE-2026-78376

HIGH 8.8

Webkitgtk: use-after-free of jscvalue function parameters

CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th

A flaw was found in WebKitGTK. Processing malicious web content can cause a use-after-free issue due to improper memory handling and result in memory corruption.

CWE CWE-416
Vendor red hat
Product red hat enterprise linux 6
Published Aug 24, 2026
Last Updated Aug 24, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

Red Hat / Red Hat Enterprise Linux 6
All versions affected
Red Hat / Red Hat Enterprise Linux 7
All versions affected
Red Hat / Red Hat Enterprise Linux 7
All versions affected
Red Hat / Red Hat Enterprise Linux 8
All versions affected
Red Hat / Red Hat Enterprise Linux 9
All versions affected

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-78376 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2521858

Credits

Red Hat would like to thank Igalia for reporting this issue.