Red HatCVE-2026-78376
Red Hat WebKitGTK: use after free
High8.8CVE-2026-78376 · Published Aug 24, 2026 · updated Sep 22, 2026
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 6 Product | all versions | No fix yet |
| Red Hat Enterprise Linux 7 Product | all versions | No fix yet |
| all versions | No fix yet | |
| Red Hat Enterprise Linux 8 Product | all versions | No fix yet |
| WebKit Product | <= 2.21.1 | No fix yet |
| WebKitGTK Product | <= 2.21.1 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-416
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