Bugzilla: Bug 668145 - Crash [@ mozilla::places::History::NotifyVisited(nsIURI) ] Key Information Title: Crash [@ mozilla::places::History::NotifyVisited(nsIURI) ] Status: RESOLVED FIXED Product: Toolkit Component: Places Platform: x86 All Severity: Critical Status Whiteboard: [sg:critical?] [qa!] Bug Details Crash Reports: Two crash reports are attached, crash report 1 and crash report 2. Crash Data: Includes crash reports for Windows and stack traces for EXCEPTION_ACCESS_VIOLATION_READ. Affected Versions: Firefox 5-8 Comments 1. Comment 1: Original report describes crashes in mozilla::places::History::NotifyVisited on Windows with a specific URL. 2. Comment 2: Initial patch applied, crash still observed under certain conditions. 3. Comment 3: Further testing on different systems noted different behaviors. 4. Comment 10: Discussion on memory and assertion errors. 5. Comment 25: Successful push to beta after addressing issues. Resolution Resolved as FIXED with patches and . The bug affects multiple versions of Firefox and is considered critical for stability. Conclusion The key issue involved crashes in the function, triggered by unexpected modal dialog interaction during page navigation or protocol handling. This was addressed through various patches and rigorous testing.