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User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.5) Gecko/20031007 Firebird/0.7 Build Identifier: Mozilla Thunderbird 0.4 (20031205) Particulars: TB 0.4 (20031205) Win98SE ( 250megs ram ) Mail Server = RH8.0+QMail+Vpop using virtual domains ( my own server ) Problem: PMV in DBIENG.DLL Result: TB Crash Most Probable cause: Extreme length of subject: header in e-mail message ( exceeding 4000 char ). This may be having causes in the routines for display and the routines for building the .msf files. Best Fix Opinion Hard limit on subject: header buffer <= char(254) Narative: Opened t-bird to retrieve messages, message retrieval going fine, PMV occurs and choices are Ignore/Close. Review of screen output shows message with waht appears to be several overwritten subject lines as the last message retrieved., tb shuts down. Attempted TB restart and immediate PMV occurs. Delete inbox & inbox.msf Restart TB message retrieved until message with excessive header reached, TB PMV's Get on the mail server, mv *.* /hold from Maildir. Restart TB. TB Restarts but behaves quirkily can will not retrieve. Shutdown TB, Delete popstate file and restart TB retrieves new mail, but does not display or run filters. After deleteing both inbox & inbox.msf several times and restarting TB _something_ shakes out and system behaves normally again. grep'd the mail in /hold found two message files with long subject lines, review of messages shows one with a subject: header length of 4733 bytes, then other 5432 bytes. Both of these message are SPAM with spoofed addresses and sender ID's. Reproducible: Always Steps to Reproduce: 1. receive and e-mail message with a subject: header of like 4K 2. 3. Actual Results: PMV in DBIENG.DLL, system crash Expected Results: Hard limit on subject: header buffer <= char(254) I have an offending message file ( inbox format ) that I can send for testing.
Created attachment 139578 [details] This is a segment of the inbox file that causes the crash use this file to validate the bug.
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