← WebKit — 2026-W37
3d1769871dc6bb07eaf1564f65a02de6611ed47f Back navigation fails to restore website after playing an embedded cross-origin YouTube video
not a security fix
confidence 0.2
signal score 10.06
Source/WebCore/history
Classified as not security-relevant.
Triage note: Restructures CachedPage::restore to guard the focus-restoration and contents-size blocks with null checks on focusedOrMainFrame/localMainFrame (remote main frame under site isolation). A null-pointer robustness fix (crash/DoS at most), not a memory-corruption or boundary bug.
This commit was flagged by the signal scorer and reviewed by AI (not a human). It is listed only so the triage is auditable; there is no root-cause analysis because this is not a vulnerability fix.
Triage note: Restructures CachedPage::restore to guard the focus-restoration and contents-size blocks with null checks on focusedOrMainFrame/localMainFrame (remote main frame under site isolation). A null-pointer robustness fix (crash/DoS at most), not a memory-corruption or boundary bug.
This commit was flagged by the signal scorer and reviewed by AI (not a human). It is listed only so the triage is auditable; there is no root-cause analysis because this is not a vulnerability fix.
Structural signals: smartptr_member_added (+6.47), null_guard (+2.59), msg_soft (+1.0)
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