From dpkg.log on Precise: 2013-11-12 19:24:35 status installed libdvdnav4 4.2.0-1ubuntu0.1. Ran the command
"vlc -d OZ_THE_GREAT_AND_POWERFUL.iso" and got the following:

$ VLC media player 2.0.8 Twoflower (revision 2.0.8a-0-g68cf50b)
[0xa001908] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.
libdvdnav: Using dvdnav version 4.2.0
libdvdread: Using libdvdcss version 1.2.10 for DVD access
libdvdnav: DVD Title: OZ_THE_GREAT_AND_POWERFUL
libdvdnav: DVD Serial Number: 42968718
libdvdnav: DVD Title (Alternative): OZ_THE_GREAT_AND_POWERFUL
libdvdnav: Unable to find map file '/home/crlb/.dvdnav/OZ_THE_GREAT_AND_POWERFUL.map'
libdvdnav: DVD disk reports itself with Region mask 0x00ed0000. Regions: 2 5

libdvdread: Attempting to retrieve all CSS keys
libdvdread: This can take a _long_ time, please be patient

libdvdread: Get key for /VIDEO_TS/VIDEO_TS.VOB at 0x000001fd
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_01_1.VOB at 0x000004fa
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_02_1.VOB at 0x00000518
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_03_1.VOB at 0x00000567
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_04_0.VOB at 0x00000656
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_04_1.VOB at 0x0000110a
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_05_1.VOB at 0x00001efa
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_06_1.VOB at 0x000030bc
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_07_0.VOB at 0x00049ddc
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_07_1.VOB at 0x00060dcc
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_08_1.VOB at 0x0006100a
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_09_1.VOB at 0x0006100a
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_10_1.VOB at 0x0006100a
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_11_1.VOB at 0x0006100a
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_12_1.VOB at 0x0006100a
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_13_1.VOB at 0x0006100a
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_14_1.VOB at 0x0006100a
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_15_1.VOB at 0x0006100a
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_16_1.VOB at 0x0006100a
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_17_1.VOB at 0x0006100a
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_18_1.VOB at 0x0006100a
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_19_1.VOB at 0x0036adfa
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_20_1.VOB at 0x0036b012
libdvdread: Elapsed time 0
libdvdread: Get key for /VIDEO_TS/VTS_21_1.VOB at 0x00381a75
libdvdread: Elapsed time 0
libdvdread: Found 21 VTS's
libdvdread: Elapsed time 0
libdvdnav: decoder.c: [WARNING, unknown bits: 1000000000080000]
libdvdnav: decoder.c: [WARNING, unknown bits: 1000000000000000]

*** libdvdread: CHECK_VALUE failed in /build/buildd/libdvdread-4.2.0/src/ifo_read.c:915 ***
*** for pgc->cell_playback_offset != 0 ***

Segmentation fault (core dumped)
$

So I believe that means that libdvdnav in Precise is fixed, but now we have an issue in libdvdread.