[Development] QtCS2019 Notes from "Fuzzing Qt" BoF session

Giuseppe D'Angelo giuseppe.dangelo at kdab.com
Fri Nov 22 18:17:39 CET 2019


Il 21/11/19 13:13, Robert Loehning ha scritto:
> ** [https://doc.qt.io/qt-5/qregularexpression.html  QRegularExpression]

This should mostly be fuzzing libpcre itself...

Note that users should NEVER use / accept untrusted regular expressions. 
While we shouldn't crash or exhaust memory, PCREs will happily exhibit 
exponential backtracking behaviour, thus exposing applications to DOS 
attacks. There's nothing we can do about that.

Thanks,
-- 
Giuseppe D'Angelo | giuseppe.dangelo at kdab.com | Senior Software Engineer
KDAB (France) S.A.S., a KDAB Group company
Tel. France +33 (0)4 90 84 08 53, http://www.kdab.com
KDAB - The Qt, C++ and OpenGL Experts

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