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[libpng17] Use a more generous size limit for IDAT chunks.

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This commit is contained in:
Glenn Randers-Pehrson
2017-09-03 09:20:23 -05:00
parent 3e2769b9d7
commit 69ddffdf2c
3 changed files with 22 additions and 18 deletions
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8
ANNOUNCE
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@@ -1,5 +1,5 @@
Libpng 1.7.0beta90 - August 28, 2017
Libpng 1.7.0beta90 - September 3, 2017
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@@ -1433,15 +1433,17 @@ Version 1.7.0beta87 [April 1, 2017]
Version 1.7.0beta88 [August 7. 2017]
Added private png_check_chunk_name() and png_check_chunk_length()
functions.
functions (Fixes CVE-2017-12652).
Version 1.7.0beta89 [August 19, 2017]
Check for 0 return from png_get_rowbytes() in contrib/pngminus/*.c to stop
some Coverity issues (162705, 162706, and 162707).
Version 1.7.0beta90 [August 28, 2017]
Version 1.7.0beta90 [September 3, 2017]
Added PNGMINUS_UNUSED macro to contrib/pngminus/p*.c and added missing
parenthesis in contrib/pngminus/pnm2png.c (bug report by Christian Hesse).
Compute a larger limit on IDAT because some applications write a deflate
buffer for each row (Bug report by Andrew Church).
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