dclerk Memory Corruption

[Seijyaku]

I'm working on a server running dclerk version 5.0.14D4 that is occasionally showing the error below in some of the logs. Any input on what might be causing this or how to resolve it?

\x07,
*** Error in `dclerk': malloc(): memory corruption (fast): 0x08b0c2c8 ***,
======= Backtrace: =========,
/lib/libc.so.6(+0x77dfc)[0xf7ddfdfc],
/lib/libc.so.6(+0x7ae98)[0xf7de2e98],
/lib/libc.so.6(__libc_malloc+0x9a)[0xf7de496a],
dclerk[0x80b1e4e],
dclerk[0x80b18e6],
dclerk[0x80b15f1],
dclerk[0x80b1e02],
dclerk[0x80ae0af],
dclerk[0x80af2f4],
dclerk[0x80aec39],
dclerk[0x80a95ad],
[0xf7f8bec0],
dclerk[0x80daa1d],
dclerk[0x80daf33],
dclerk[0x80d90d7],
dclerk[0x80d301b],
dclerk[0x80d66cd],
dclerk[0x80d61ef],
dclerk[0x80d6178],
dclerk[0x8070610],
dclerk[0x8061017],
dclerk[0x805fbb2],
dclerk[0x805e65f],
dclerk[0x805e907],
dclerk[0x8071bc2],
dclerk[0x804f2e7],
dclerk[0x804e230],
/lib/libc.so.6(__libc_start_main+0xf3)[0xf7d822a3],
======= Memory map: ========,
08048000-080f2000 r-xp 00000000 08:02 1614140597 /opt/filepro/dclerk,
080f2000-08104000 rwxp 000aa000 08:02 1614140597 /opt/filepro/dclerk,
08104000-08113000 rwxp 00000000 00:00 0 ,
08aa0000-08b2a000 rwxp 00000000 00:00 0 [heap],
f7b00000-f7b21000 rwxp 00000000 00:00 0 ,
f7b21000-f7c00000 ---p 00000000 00:00 0 ,
f7cae000-f7cc7000 r-xp 00000000 08:02 1611440773 /usr/lib/libgcc_s-4.8.5-20150702.so.1,
f7cc7000-f7cc8000 r-xp 00018000 08:02 1611440773 /usr/lib/libgcc_s-4.8.5-20150702.so.1,
f7cc8000-f7cc9000 rwxp 00019000 08:02 1611440773 /usr/lib/libgcc_s-4.8.5-20150702.so.1,
f7cd5000-f7d43000 rwxp 00000000 00:00 0 ,
f7d43000-f7d53000 rwxs 00000000 00:01 2 /SYSVf102e0ed (deleted),
f7d53000-f7d5e000 r-xp 00000000 08:02 1611347286 /usr/lib/libnss_files-2.17.so,
f7d5e000-f7d5f000 r-xp 0000a000 08:02 1611347286 /usr/lib/libnss_files-2.17.so,
f7d5f000-f7d60000 rwxp 0000b000 08:02 1611347286 /usr/lib/libnss_files-2.17.so,
f7d60000-f7d68000 rwxp 00000000 00:00 0 ,
f7d68000-f7f2c000 r-xp 00000000 08:02 1611317456 /usr/lib/libc-2.17.so,
f7f2c000-f7f2d000 ---p 001c4000 08:02 1611317456 /usr/lib/libc-2.17.so,
f7f2d000-f7f2f000 r-xp 001c4000 08:02 1611317456 /usr/lib/libc-2.17.so,
f7f2f000-f7f30000 rwxp 001c6000 08:02 1611317456 /usr/lib/libc-2.17.so,
f7f30000-f7f33000 rwxp 00000000 00:00 0 ,
f7f33000-f7f73000 r-xp 00000000 08:02 1611317464 /usr/lib/libm-2.17.so,
f7f73000-f7f74000 r-xp 0003f000 08:02 1611317464 /usr/lib/libm-2.17.so,
f7f74000-f7f75000 rwxp 00040000 08:02 1611317464 /usr/lib/libm-2.17.so,
f7f75000-f7f78000 r-xp 00000000 08:02 1610785783 /usr/lib/libtermcap.so.2.0.8,
f7f78000-f7f79000 r-xp 00002000 08:02 1610785783 /usr/lib/libtermcap.so.2.0.8,
f7f79000-f7f7a000 rwxp 00003000 08:02 1610785783 /usr/lib/libtermcap.so.2.0.8,
f7f85000-f7f87000 rwxp 00000000 00:00 0 ,
f7f87000-f7f8b000 r--p 00000000 00:00 0 [vvar],
f7f8b000-f7f8d000 r-xp 00000000 00:00 0 [vdso],
f7f8d000-f7faf000 r-xp 00000000 08:02 1610615685 /usr/lib/ld-2.17.so,
f7faf000-f7fb0000 r-xp 00021000 08:02 1610615685 /usr/lib/ld-2.17.so,
f7fb0000-f7fb1000 rwxp 00022000 08:02 1610615685 /usr/lib/ld-2.17.so,
ffa8e000-ffab0000 rwxp 00000000 00:00 0 [stack],
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