Below issue was reported at https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=779849: """ jbig2dec crashes on the attached file: $ ./jbig2dec crash.jb2 jbig2dec WARNING No OOB signalling end of height class 2 (segment 0x00) *** Error in `/home/jwilk/jbig2dec-0.11+20120125/.libs/lt-jbig2dec': free(): invalid pointer: 0x08b98240 *** Aborted Rebuilding the package with "-fsanitize=address" reveals that the root cause is a heap-based buffer overflow: $ ./jbig2dec crash.jb2 ================================================================= ==4112==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xf4303f6c at pc 0xf726b146 bp 0xff8eccc8 sp 0xff8eccbc WRITE of size 4 at 0xf4303f6c thread T0 #0 0xf726b145 in jbig2_decode_symbol_dict /home/jwilk/jbig2dec-0.11+20120125/jbig2_symbol_dict.c:626 #1 0xf726b145 in jbig2_symbol_dictionary /home/jwilk/jbig2dec-0.11+20120125/jbig2_symbol_dict.c:1054 #2 0xf7263cd0 in jbig2_parse_segment /home/jwilk/jbig2dec-0.11+20120125/jbig2_segment.c:251 #3 0xf725d598 in jbig2_data_in /home/jwilk/jbig2dec-0.11+20120125/jbig2.c:356 #4 0x80499d5 in main /home/jwilk/jbig2dec-0.11+20120125/jbig2dec.c:449 #5 0xf7035a62 in __libc_start_main (/lib/i386-linux-gnu/i686/cmov/libc.so.6+0x19a62) #6 0x804a6eb (/home/jwilk/jbig2dec-0.11+20120125/.libs/lt-jbig2dec+0x804a6eb) 0xf4303f6c is located 0 bytes to the right of 7788-byte region [0xf4302100,0xf4303f6c) allocated by thread T0 here: #0 0xf72e16e4 in malloc (/usr/lib/i386-linux-gnu/libasan.so.1+0x4e6e4) #1 0xf725c237 in jbig2_default_alloc /home/jwilk/jbig2dec-0.11+20120125/jbig2.c:35 """ No patch for this issue is available yet.
Created attachment 1009615 [details] crash.jb2
Created jbig2dec tracking bugs for this issue: Affects: fedora-all [bug 1208076] Affects: epel-all [bug 1208077]