BASH PATCH REPORT ================= Bash-Release: 5.2 Patch-ID: bash52-022 Bug-Reported-by: srobertson@peratonlabs.com Bug-Reference-ID: Bug-Reference-URL: https://lists.gnu.org/archive/html/bug-bash/2022-09/msg00049.html Bug-Description: It's possible for readline to try to zero out a line that's not null- terminated, leading to a memory fault. Patch (apply with `patch -p0'): *** ../bash-5.2-patched/lib/readline/display.c 2022-04-05 10:47:31.000000000 -0400 --- lib/readline/display.c 2022-12-13 13:11:22.000000000 -0500 *************** *** 2684,2692 **** if (visible_line) ! { ! temp = visible_line; ! while (*temp) ! *temp++ = '\0'; ! } rl_on_new_line (); forced_display++; --- 2735,2740 ---- if (visible_line) ! memset (visible_line, 0, line_size); ! rl_on_new_line (); forced_display++; *** ../bash-5.2/patchlevel.h 2020-06-22 14:51:03.000000000 -0400 --- patchlevel.h 2020-10-01 11:01:28.000000000 -0400 *************** *** 26,30 **** looks for to find the patch level (for the sccs version string). */ ! #define PATCHLEVEL 21 #endif /* _PATCHLEVEL_H_ */ --- 26,30 ---- looks for to find the patch level (for the sccs version string). */ ! #define PATCHLEVEL 22 #endif /* _PATCHLEVEL_H_ */