File gd-CVE-2016-6132.patch of Package gd.21223

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File gd-CVE-2016-6132.patch of Package gd.21223

From 921e590565deb033acafcfa9063b4563200b14b5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Sur=C3=BD?= <ondrej@sury.org>
Date: Tue, 12 Jul 2016 11:24:09 +0200
Subject: [PATCH] Fix #247, A read out-of-bands was found in the parsing of TGA
 files

---
 src/gd_tga.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/gd_tga.c b/src/gd_tga.c
index ef20f86..07f3c86 100644
--- a/src/gd_tga.c
+++ b/src/gd_tga.c
@@ -237,7 +237,10 @@ int read_image_tga( gdIOCtx *ctx, oTga *tga )
 			return -1;
 		}
 
-		gdGetBuf(conversion_buffer, image_block_size, ctx);
+		if (gdGetBuf(conversion_buffer, image_block_size, ctx) != image_block_size) {
+			gdFree(conversion_buffer);
+			return -1;
+		}
 
 		while (buffer_caret < image_block_size) {
 			tga->bitmap[buffer_caret] = (int) conversion_buffer[buffer_caret];
@@ -261,7 +264,11 @@ int read_image_tga( gdIOCtx *ctx, oTga *tga )
 			return -1;
 		}
 
-		gdGetBuf( conversion_buffer, image_block_size, ctx );
+		if (gdGetBuf(conversion_buffer, image_block_size, ctx) != image_block_size) {
+			gdFree(conversion_buffer);
+			gdFree(decompression_buffer);
+			return -1;
+		}
 
 		buffer_caret = 0;

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File gd-CVE-2016-6132.patch of Package gd.21223

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