2016-12-30 14:29:48 -05:00
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Fix CVE-2016-10087, a null pointer dereference in png_set_text_2():
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2016-12-29 13:01:55 -05:00
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2016-12-30 14:29:48 -05:00
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10087
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2016-12-29 13:01:55 -05:00
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http://seclists.org/oss-sec/2016/q4/777
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Patch adapted from upstream source repository:
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https://sourceforge.net/p/libpng/code/ci/812768d7a9c973452222d454634496b25ed415eb/
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From 812768d7a9c973452222d454634496b25ed415eb Mon Sep 17 00:00:00 2001
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From: Glenn Randers-Pehrson <glennrp at users.sourceforge.net>
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Date: Thu, 29 Dec 2016 07:51:33 -0600
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Subject: [PATCH] [libpng16] Fixed a potential null pointer dereference in
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png_set_text_2()
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(bug report and patch by Patrick Keshishian).
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---
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ANNOUNCE | 2 ++
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CHANGES | 2 ++
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png.c | 1 +
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3 files changed, 5 insertions(+)
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diff --git a/png.c b/png.c
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index 8afc28fc2..2e05de159 100644
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--- a/png.c
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+++ b/png.c
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@@ -477,6 +477,7 @@ png_free_data(png_const_structrp png_ptr, png_inforp info_ptr, png_uint_32 mask,
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png_free(png_ptr, info_ptr->text);
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info_ptr->text = NULL;
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info_ptr->num_text = 0;
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+ info_ptr->max_text = 0;
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}
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}
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#endif
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--
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2.11.0
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