Hi, The following critical bugs have been identified as NULL-DEREFERENCE on below as:
*1.Readline-6.2-release*
*2.Linux (Red Hat)*
*3.Description of the bug:*
There are possibilities to return 0 (null) by
current_history () to the HIST_ENTRY * variables
and they don't have NULL check before going to
dereference these variables which may lead to
crash.
*I).* File : readline-6.2/search.c
Function: rl_history_search_internal ()
Issue : temp = current_history (); may return 0.
*II). * File : readline-6.2/search.c
Function: noninc_dosearch ()
Issue : entry = current_history (); may return 0.
*III).*
File : readline-6.2/histexpand.c
Function: get_history_event ()
Issue : entry = current_history (); may return 0.
*4.Fixes For Bugs:*
Here ,the respective patch has been attached.
Please find it and give your valuable concern.
--
*Thanks & Regards*
-------------------
Pankaj Sharma
Contact at : 8826958890
E-mail : [email protected]
readline-6.2_Null_dereference.patch
Description: Binary data
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