CVE-2026-78376

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.

CVSS 3.1

8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-25)

CWE

CWE-416

Published

2026-08-24

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

References

• https://access.redhat.com/errata/RHSA-2026:69098
• https://access.redhat.com/errata/RHSA-2026:74084
• https://access.redhat.com/security/cve/CVE-2026-78376
• https://bugzilla.redhat.com/show_bug.cgi?id=2521858
• https://github.com/WebKit/WebKit/pull/72142

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