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Author SHA1 Message Date
Glenn Randers-Pehrson
68a6e6755b [lbpng15] Rearrange terms in buffer length tests in pngrutil.c to 
avoid potential overflow in calculations.
 2015-11-19 09:12:43 -06:00
Glenn Randers-Pehrson
8738633bd6 [libpng15] Avoid potential pointer overflow in png_handle_iTXt(), 
png_handle_zTXt(), png_handle_sPLT(), and png_handle_pCAL() (Bug report
by John Regehr).
 2015-11-13 22:47:30 -06:00
Glenn Randers-Pehrson
b257d4a6a1 [libpng15] Bump version to 1.5.25beta01 2015-11-13 10:18:08 -06:00
Glenn Randers-Pehrson
df80d38897 [libpng15] Imported from libpng-1.5.24.tar v1.5.24 2015-11-12 07:13:10 -06:00
Glenn Randers-Pehrson
9b70e0332b [libpng15] Clean up coding style in png_handle_PLTE() 2015-11-05 11:17:54 -06:00
Glenn Randers-Pehrson
b6ec5eb74e [libpng15] Imported from libpng-1.5.24rc04.tar v1.5.24rc04 2015-11-05 06:59:22 -06:00
Glenn Randers-Pehrson
15117f202c [libpng15] Fixed new bug with CRC error after reading an over-length palette. 2015-11-04 23:46:24 -06:00
Glenn Randers-Pehrson
4b0a6350cd [libpng15] Imported from libpng-1.5.24rc02.tar v1.5.24rc02 2015-11-03 10:00:01 -06:00
Glenn Randers-Pehrson
e4a9c63445 [libpng15] Imported from libpng-1.5.24rc02.tar 2015-11-03 08:12:20 -06:00
Glenn Randers-Pehrson
06c1be4b28 [libpng15] Bump version to 1.5.24rc02 2015-11-03 07:51:53 -06:00
Glenn Randers-Pehrson
cd8a3ffeb1 [libpng15] Fixed some inconsequential cut-and-paste typos in 
png_set_cHRM_XYZ_fixed().
 2015-11-01 12:40:04 -06:00
Glenn Randers-Pehrson
9db953ad5b [libpng15] Imported from libpng-1.5.24rc01.tar v1.5.24rc01 2015-10-31 08:52:12 -05:00
Glenn Randers-Pehrson
91a73053b9 [libpng15] Update manual about handling over-length PLTE chunks. 2015-10-31 08:47:32 -05:00
Glenn Randers-Pehrson
820a090567 [libpng15] Silently truncate over-length PLTE chunk while reading. 2015-10-30 13:21:32 -05:00
Glenn Randers-Pehrson
20e0daa74a [libpng15] Update CHANGES and ANNOUNCE about rowbytes fix 2015-10-30 13:02:20 -05:00
John Bowler
8678f9c3f4 rowbytes check correction 
The old code incorrectly calculated the output rowbytes when the
application decreased either the number of channels or the bit depth (or
both) in a user transform.  This was safe; libpng overallocated buffer
space (potentially by quite a lot; up to 4 times the amount required)
but, from 1.5.4 on, resulted in a png_error.

Signed-off-by: John Bowler <jbowler@acm.org>
 2015-10-29 18:12:10 -07:00
Glenn Randers-Pehrson
3a990c93f4 [libng15] Prevent writing over-length PLTE chunk (Cosmin Truta). 2015-10-29 09:56:19 -05:00
Glenn Randers-Pehrson
39f8f0e6da [libpng15] Bump version to 1.5.24beta03 2015-10-14 22:14:22 -05:00
Glenn Randers-Pehrson
51148c5255 [libpng15] Imported from libpng-1.5.24beta02.tar v1.5.24beta02 2015-10-14 22:14:13 -05:00
Glenn Randers-Pehrson
5e51957594 [libpng15] Added sPLT support to pngtest.c 2015-10-11 11:31:44 -05:00
Glenn Randers-Pehrson
2cc28ebc00 [libpng15] Merged pngvalid.c with libpng16's pngvalid.c, again. 2015-10-03 18:07:03 -05:00
Glenn Randers-Pehrson
24e485baec [libpng15] Improve CHANGES and ANNOUNCE description of filler-byte fix. 2015-09-18 23:34:55 -05:00
Glenn Randers-Pehrson
01789a5e8e [libpng15] Fix "last changed" line for pngvalid.c 2015-09-18 22:01:55 -05:00
Glenn Randers-Pehrson
1f4508c7e2 [libpng15] Update CHANGES and ANNOUNCE per recent pull request. 2015-09-18 21:24:29 -05:00
John Bowler
9946064745 pngvalid. copied from libpng17 
This change requires the fix to png_set_filler

Signed-off-by: John Bowler <jbowler@acm.org>
 2015-09-18 15:49:57 -07:00
John Bowler
e87d502b16 png_set_filler with 16-bit output byte swapped the value 
A simple case of assigning the low and high byte in the wrong order, may
cause problems for some apps if they already have a work-round.  The
code executes before the 16-bit byte swap so the order is always the PNG
one.

Signed-off-by: John Bowler <jbowler@acm.org>
 2015-09-18 14:04:50 -07:00
John Bowler
8c4b258355 [libpng15] Fixed png_save_int_32 when int is not 2's complement (John Bowler). 2015-08-21 14:50:38 -05:00
Glenn Randers-Pehrson
7730265b27 [libpng15] Bump version to 1.5.24beta02 2015-08-19 12:54:33 -05:00
Glenn Randers-Pehrson
75318bc745 [libpng15] Imported from libpng-1.5.24beta01.tar v1.5.24beta01 2015-08-19 12:54:24 -05:00
Glenn Randers-Pehrson
c357fb70b5 [lbipng15] Fixed the recently reported 1's complement security issue by 
replacing the value that is illegal in the PNG spec, in both signed and
  unsigned values, with 0. Illegal unsigned values (anything greater than or
  equal to  0x80000000) can still pass through, but since these are not illegal
  in ANSI-C (unlike 0x80000000 in the signed case) the checking that
  occurs later can catch them (John Bowler).

Safely convert num_bytes to a png_byte in png_set_sig_bytes() (Robert
  Seacord).
 2015-08-19 12:52:39 -05:00
Glenn Randers-Pehrson
a88dec67f2 [libpng15] Safely convert num_bytes to a png_byte in png_set_sig_bytes() (Robert 
Seacord).
 2015-08-18 10:23:35 -05:00
Glenn Randers-Pehrson
357f3da6b0 [libpng15] Fix links in man page 2015-08-11 15:33:21 -05:00
Glenn Randers-Pehrson
53cabf986f [libpng15] Fix links in man page 2015-08-11 13:03:02 -05:00
Glenn Randers-Pehrson
adef6f991f [libpng15] Update dead link in man page 2015-08-11 12:09:06 -05:00
Glenn Randers-Pehrson
bb98fdbf31 [libpng15] Fixed potential leak of png_pixels in contrib/pngminus/pnm2png.c 
and fixed uninitialized variable in contrib/gregbook/rpng2-x.c
 2015-07-30 11:32:56 -05:00
Glenn Randers-Pehrson
aa24431c93 [libpng15] Bump version to 1.5.24beta01 2015-07-23 20:20:39 -05:00
Glenn Randers-Pehrson
a058d6cee0 [libpng15] Imported from libpng-1.5.23.tar v1.5.23 libpng-1.5.23-signed 2015-07-22 22:40:33 -05:00
Glenn Randers-Pehrson
445ad8fabf [libpng15] Imported from libpng-1.5.23rc03.tar v1.5.23rc03 2015-07-15 21:23:58 -05:00
Glenn Randers-Pehrson
4dc8ea0929 [libpng15] Removed WEIGHTED_FILTER paragraph from the man page. 2015-07-13 14:42:14 -05:00
Glenn Randers-Pehrson
91c2de79b9 [libpng15] Bump version to libpng-1.5.23rc03.tar 2015-07-13 08:30:27 -05:00
Glenn Randers-Pehrson
06bf45e527 [libpng15] Imported from libpng-1.5.23rc02.tar v1.5.23rc02 2015-07-13 07:06:07 -05:00
Glenn Randers-Pehrson
ce12446903 [libpng15] Restored unused FILTER_HEURISTIC macros removed at 
libpng-1.5.23beta02 to png.h to avoid compatibility warnings.
 2015-07-13 07:04:17 -05:00
Glenn Randers-Pehrson
ceaf50079a [libpng15] Imported from libpng-1.5.23rc01.tar v1.5.23rc01 2015-07-09 11:58:09 -05:00
Glenn Randers-Pehrson
5129cbb795 [libpng15] Belatedly added Mans Rullgard to the list of Contributing Authors. 2015-07-09 11:53:58 -05:00
Glenn Randers-Pehrson
5c88d90ce8 [libpng15] Bump version to 1.5.23beta03 2015-06-30 11:01:58 -05:00
Glenn Randers-Pehrson
57b246e736 [libpng15] Imported from libpng-1.5.23beta02.tar v1.5.23beta02 2015-06-30 11:01:50 -05:00
Glenn Randers-Pehrson
32751e6a20 [libpng15] Removed some unused WEIGHTED_FILTER macros from png.h and pngstruct.h 2015-06-10 07:14:50 -05:00
Glenn Randers-Pehrson
d522ff063f [libpng15] Removed non-working progressive reader 'skip' function. 2015-06-03 17:09:47 -05:00
Glenn Randers-Pehrson
ab096c961b [libpng15] Quieted Coverity issues in pngvalid.c. 2015-06-03 16:18:23 -05:00
Glenn Randers-Pehrson
5ce5cb7a9a [libpng15] Bump version to 1.5.23beta02 2015-06-01 21:10:37 -05:00