Description of problem:
apt segfaults

Version-Release number of selected component (if applicable):
Version    : 0.5.15lorg3.94
Release    : 4.fc10
Size       : 2.5 M

How reproducible:
start any of the apt utils

Additional info:
[cimi@libra Scrivania]$ apt-get
*** glibc detected *** apt-get: realloc(): invalid pointer: 0x087890ac ***
======= Backtrace: =========
/lib/libc.so.6[0xcdb394]
/lib/libc.so.6(realloc+0x242)[0xcdfdb2]
/usr/lib/libapt-pkg.so.3(luaM_realloc+0x35)[0x200195]
/usr/lib/libapt-pkg.so.3(luaD_reallocstack+0x43)[0x1fc223]
/usr/lib/libapt-pkg.so.3(luaD_growstack+0x46)[0x1fc2e6]
/usr/lib/libapt-pkg.so.3(luaD_precall+0x180)[0x1fcdd0]
/usr/lib/libapt-pkg.so.3(luaD_call+0x42)[0x1fd1a2]
/usr/lib/libapt-pkg.so.3(lua_call+0x3b)[0x1f8c9b]
/usr/lib/liblua-5.1.so(luaL_openlibs+0x65)[0x3d9385]
/usr/lib/librpmio-4.6.so(rpmluaNew+0x43)[0x4e5893]
/usr/lib/librpmio-4.6.so(rpmluaGetPrintBuffer+0x37)[0x4e62a7]
/usr/lib/librpm-4.6.so(rpmReadConfigFiles+0x25a)[0x4543fa]
/usr/lib/libapt-pkg.so.3(_ZN9rpmSystem5ScoreERK13Configuration+0x2b)[0x19cb4b]
/usr/lib/libapt-pkg.so.3(_Z13pkgInitSystemR13ConfigurationRP9pkgSystem+0x99)[0x1c4b49]
apt-get[0x8051036]
/lib/libc.so.6(__libc_start_main+0xe5)[0xc826d5]
apt-get(_ZNSt8ios_base4InitD1Ev+0x41)[0x804cc61]
======= Memory map: ========
00110000-00111000 r-xp 00110000 00:00 0          [vdso]
00111000-00235000 r-xp 00000000 08:02 162070     /usr/lib/libapt-pkg.so.3.0.0
00235000-0023a000 rw-p 00123000 08:02 162070     /usr/lib/libapt-pkg.so.3.0.0
0023a000-00261000 r-xp 00000000 08:02 194406     /lib/libm-2.9.so
00261000-00262000 r--p 00026000 08:02 194406     /lib/libm-2.9.so
00262000-00263000 rw-p 00027000 08:02 194406     /lib/libm-2.9.so
00263000-00279000 r-xp 00000000 08:02 194393     /lib/libpthread-2.9.so
00279000-0027a000 r--p 00015000 08:02 194393     /lib/libpthread-2.9.so
0027a000-0027b000 rw-p 00016000 08:02 194393     /lib/libpthread-2.9.so
0027b000-0027d000 rw-p 0027b000 00:00 0 
0027d000-00297000 r-xp 00000000 08:02 194401     /lib/libselinux.so.1
00297000-00298000 r--p 00019000 08:02 194401     /lib/libselinux.so.1
00298000-00299000 rw-p 0001a000 08:02 194401     /lib/libselinux.so.1
00299000-002a1000 r-xp 00000000 08:02 194395     /lib/librt-2.9.so
002a1000-002a2000 r--p 00007000 08:02 194395     /lib/librt-2.9.so
002a2000-002a3000 rw-p 00008000 08:02 194395     /lib/librt-2.9.so
002a3000-002db000 r-xp 00000000 08:02 194553     /lib/libsoftokn3.so
002db000-002dc000 rw-p 00037000 08:02 194553     /lib/libsoftokn3.so
002dc000-0031b000 r-xp 00000000 08:02 194546     /lib/libfreebl3.so
0031b000-0031c000 rw-p 0003e000 08:02 194546     /lib/libfreebl3.so
0031c000-00327000 r-xp 00000000 08:02 194490     /lib/libnss_files-2.9.so
00327000-00328000 r--p 0000a000 08:02 194490     /lib/libnss_files-2.9.so
00328000-00329000 rw-p 0000b000 08:02 194490     /lib/libnss_files-2.9.so
0035f000-0037f000 r-xp 00000000 08:02 194391     /lib/ld-2.9.so
00380000-00381000 r--p 00020000 08:02 194391     /lib/ld-2.9.so
00381000-00382000 rw-p 00021000 08:02 194391     /lib/ld-2.9.so
0039f000-003b4000 r-xp 00000000 08:02 318657     /usr/lib/libmagic.so.1.0.0
003b4000-003b5000 rw-p 00015000 08:02 318657     /usr/lib/libmagic.so.1.0.0
003b7000-003e1000 r-xp 00000000 08:02 320432     /usr/lib/liblua-5.1.so
003e1000-003e2000 rw-p 0002a000 08:02 320432     /usr/lib/liblua-5.1.so
0040a000-00472000 r-xp 00000000 08:02 320434     /usr/lib/librpm-4.6.so
00472000-00476000 rw-p 00067000 08:02 320434     /usr/lib/librpm-4.6.so
00476000-00477000 rw-p 00476000 00:00 0 
004d1000-004f8000 r-xp 00000000 08:02 320433     /usr/lib/librpmio-4.6.so
004f8000-004fa000 rw-p 00027000 08:02 320433     /usr/lib/librpmio-4.6.so
004fa000-004fc000 rw-p 004fa000 00:00 0 
00547000-0055c000 r-xp 00000000 08:02 320431     /usr/lib/libelf-0.137.so
0055c000-0055d000 r--p 00014000 08:02 320431     /usr/lib/libelf-0.137.so
0055d000-0055e000 rw-p 00015000 08:02 320431     /usr/lib/libelf-0.137.so
005a2000-005b2000 r-xp 00000000 08:02 194426     /lib/libbz2.so.1.0.4
005b2000-005b3000 rw-p 00010000 08:02 194426     /lib/libbz2.so.1.0.4
005b5000-0061e000 r-xp 00000000 08:02 320407     /usr/lib/libsqlite3.so.0.8.6
0061e000-00620000 rw-p 00068000 08:02 320407     /usr/lib/libsqlite3.so.0.8.6
00620000-0074e000 r-xp 00000000 08:02 194432     /lib/libdb-4.5.so
0074e000-00751000 rw-p 0012e000 08:02 194432     /lib/libdb-4.5.so