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[libpng15] Avoid out-of-bounds memory access in png_user_version_check().

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Simplified and future-proofed png_user_version_check().
This commit is contained in:
Glenn Randers-Pehrson
2014-11-06 07:58:21 -06:00
parent f2f5e89566
commit df8dd1183c
3 changed files with 39 additions and 27 deletions
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@@ -4246,6 +4246,12 @@ Version 1.5.19rc01 [August 14, 2014]
Version 1.5.19 [August 21, 2014]
Added PNG_UNUSED(png_ptr) and PNG_UNUSED(val) in png_longjmp() (Cosmin).
Version 1.5.20beta01 [November 6, 2014]
Removed "option WRITE_COMPRESSED_TEXT enables WRITE_TEXT" from pnglibconf.dfa
Only mark text chunks as written after successfully writing them.
Avoid out-of-bounds memory access in png_user_version_check().
Simplified and future-proofed png_user_version_check().
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