A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.
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Score 6.5 from GitHub Security Advisory published 2026-05-11. NVD baseline CVSS 6.5; sources differ by 0.0.
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.
May 11, 2026
May 13, 2026
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Red Hat Security Advisory: webkit2gtk3 security update
Red Hat Security Advisory: webkitgtk4 security update
Red Hat Security Advisory: webkit2gtk3 security update
Red Hat Security Advisory: webkit2gtk3 security update
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | webkit2gtk3-0:2.52.4-1.el9_8 | 2026-06-15 | redhat |
| redhat | webkit2gtk3-0:2.52.4-1.el8_10 | 2026-06-15 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Explore the affected products and dependency analysis for CVE-2026-28946
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redhat
CWE-416