Medium6.5Red Hat & Ubuntu Linux
Processing maliciously crafted web content may prevent Content Security Policy from being enforced
CVE-2026-43660 Published Jun 2, 2026
CVE-2026-43660
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Processing maliciously crafted web content may prevent Content Security Policy from being enforced. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-693. Affected package(s): webkit2gtk3, webkitgtk4. Resolved in Red Hat advisory RHSA-2026:25918 — update the affected packages (`sudo dnf update`).
Affected versions
- webkit2gtk3-0:2.52.4-1.el8_8
- webkit2gtk3-0:2.52.4-1.el9_8
- webkit2gtk3-0:2.52.4-1.el8_4
- webkit2gtk3-0:2.52.4-1.el8_10
- webkit2gtk3-0:2.52.4-1.el9_4
- webkit2gtk3-0:2.52.4-1.el8_6
- webkit2gtk3-0:2.52.4-1.el9_6
- webkitgtk4-0:2.52.4-1.el7_9
- webkit2gtk3-0:2.52.4-1.el9_2
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Fixed versions
- RHSA-2026:25918
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:25918 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
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