Binary package hint: xevil
This is similar to #118301, but I'd assume the bug is in the application not glibc so I've reported it separately.
It is easily reproducible; just start xevil and click the "accept" (grr, irrelevant GPL clickwrapper).
alan@singularity:~$ xevil
XEvil(TM) version 2.02r2 http://www.xevil.com <email address hidden> XETP1.00
Copyright(C) 1994,2000 Steve Hardt and Michael Judge
XEvil is free software under the Gnu General Public License.
XEvil comes with absolutely no warranty.
Type 'xevil -info' for license information and information on no warranty.
'xevil -help' for usage and network-play instructions.
*** glibc detected *** xevil: munmap_chunk(): invalid pointer: 0x00000000009b9b08 ***
======= Backtrace: =========
/lib/libc.so.6(cfree+0x1b6)[0x2ab1cb7b6396]
xevil[0x4181ed]
xevil[0x41a4c6]
xevil[0x4507da]
/lib/libc.so.6(__libc_start_main+0xf4)[0x2ab1cb7608e4]
xevil(__gxx_personality_v0+0x121)[0x403989]
======= Memory map: ========
00400000-005fe000 r-xp 00000000 08:06 7077890 /usr/games/xevil
006fe000-0072a000 rw-p 001fe000 08:06 7077890 /usr/games/xevil
0072a000-009d4000 rw-p 0072a000 00:00 0 [heap]
2ab1ca873000-2ab1ca88f000 r-xp 00000000 08:06 13189133 /lib/ld-2.5.so
2ab1ca88f000-2ab1ca8ed000 rw-p 2ab1ca88f000 00:00 0
2ab1caa8e000-2ab1caa90000 rw-p 0001b000 08:06 13189133 /lib/ld-2.5.so
2ab1caa90000-2ab1caaa0000 r-xp 00000000 08:06 8213476 /usr/lib/libXpm.so.4.11.0
2ab1caaa0000-2ab1caca0000 ---p 00010000 08:06 8213476 /usr/lib/libXpm.so.4.11.0
2ab1caca0000-2ab1caca1000 rw-p 00010000 08:06 8213476 /usr/lib/libXpm.so.4.11.0
2ab1caca1000-2ab1cada7000 r-xp 00000000 08:06 8212882 /usr/lib/libX11.so.6.2.0
2ab1cada7000-2ab1cafa7000 ---p 00106000 08:06 8212882 /usr/lib/libX11.so.6.2.0
2ab1cafa7000-2ab1cafae000 rw-p 00106000 08:06 8212882 /usr/lib/libX11.so.6.2.0
2ab1cafae000-2ab1cb097000 r-xp 00000000 08:06 8211652 /usr/lib/libstdc++.so.6.0.8
2ab1cb097000-2ab1cb297000 ---p 000e9000 08:06 8211652 /usr/lib/libstdc++.so.6.0.8
2ab1cb297000-2ab1cb29d000 r--p 000e9000 08:06 8211652 /usr/lib/libstdc++.so.6.0.8
2ab1cb29d000-2ab1cb2a0000 rw-p 000ef000 08:06 8211652 /usr/lib/libstdc++.so.6.0.8
2ab1cb2a0000-2ab1cb2b3000 rw-p 2ab1cb2a0000 00:00 0
2ab1cb2b3000-2ab1cb334000 r-xp 00000000 08:06 13189143 /lib/libm-2.5.so
2ab1cb334000-2ab1cb533000 ---p 00081000 08:06 13189143 /lib/libm-2.5.so
2ab1cb533000-2ab1cb535000 rw-p 00080000 08:06 13189143 /lib/libm-2.5.so
2ab1cb535000-2ab1cb542000 r-xp 00000000 08:06 13189183 /lib/libgcc_s.so.1
2ab1cb542000-2ab1cb742000 ---p 0000d000 08:06 13189183 /lib/libgcc_s.so.1
2ab1cb742000-2ab1cb743000 rw-p 0000d000 08:06 13189183 /lib/libgcc_s.so.1
2ab1cb743000-2ab1cb88a000 r-xp 00000000 08:06 13189139 /lib/libc-2.5.so
2ab1cb88a000-2ab1cba8a000 ---p 00147000 08:06 13189139 /lib/libc-2.5.so
2ab1cba8a000-2ab1cba8d000 r--p 00147000 08:06 13189139 /lib/libc-2.5.so
2ab1cba8d000-2ab1cba8f000 rw-p 0014a000 08:06 13189139 /lib/libc-2.5.so
2ab1cba8f000-2ab1cba95000 rw-p 2ab1cba8f000 00:00 0
2ab1cba95000-2ab1cba97000 r-xp 00000000 08:06 8212878 /usr/lib/libXau.so.6.0.0
2ab1cba97000-2ab1cbc96000 ---p 00002000 08:06 8212878 /usr/lib/libXau.so.6.0.0
2ab1cbc96000-2ab1cbc97000 rw-p 00001000 08:06 8212878 /usr/lib/libXau.so.6.0.0
2ab1cbc97000-2ab1cbc9c000 r-xp 00000000 08:06 8212880 /usr/lib/libXdmcp.so.6.0.0
2ab1cbc9c000-2ab1cbe9b000 ---p 00005000 08:06 8212880 /usr/lib/libXdmcp.so.6.0.0
2ab1cbe9b000-2ab1cbe9c000 rw-p 00004000 08:06 8212880 /usr/lib/libXdmcp.so.6.0.0
2ab1cbe9c000-2ab1cbe9e000 r-xp 00000000 08:06 13189142 /lib/libdl-2.5.so
2ab1cbe9e000-2ab1cc09e000 ---p 00002000 08:06 13189142 /lib/libdl-2.5.so
2ab1cc09e000-2ab1cc0a0000 rw-p 00002000 08:06 13189142 /lib/libdl-2.5.so
2ab1cc0a0000-2ab1cc0a2000 rw-p 2ab1cc0a0000 00:00 0
2ab1cc0a2000-2ab1cc0ac000 r-xp 00000000 08:06 8213576 /usr/lib/libXcursor.so.1.0.2
2ab1cc0ac000-2ab1cc2ab000 ---p 0000a000 08:06 8213576 /usr/lib/libXcursor.so.1.0.2
2ab1cc2ab000-2ab1cc2ac000 rw-p 00009000 08:06 8213576 /usr/lib/libXcursor.so.1.0.2
2ab1cc2ac000-2ab1cc2b5000 r-xp 00000000 08:06 8213413 /usr/lib/libXrender.so.1.3.0
2ab1cc2b5000-2ab1cc4b4000 ---p 00009000 08:06 8213413 /usr/lib/libXrender.so.1.3.0
2ab1cc4b4000-2ab1cc4b5000 rw-p 00008000 08:06 8213413 /usr/lib/libXrender.so.1.3.0
2ab1cc4b5000-2ab1cc4ba000 r-xp 00000000 08:06 8213010 /usr/lib/libXfixes.so.3.1.0
2ab1cc4ba000-2ab1cc6b9000 ---p 00005000 08:06 8213010 /usr/lib/libXfixes.so.3.1.0
2ab1cc6b9000-2ab1cc6ba000 rw-p 00004000 08:06 8213010 /usr/lib/libXfixes.so.3.1.0
7fffe0221000-7fffe0236000 rw-p 7ffffffea000 00:00 0 [stack]
7fffe03fd000-7fffe0400000 r-xp 7fffe03fd000 00:00 0 [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]
Aborted
alan@singularity:~$
