gd: fix CVE-2021-38115

Signed-off-by: Sakib Sajal <sakib.sajal@windriver.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-oe/recipes-support/gd/gd/0001-fix-read-out-of-bands-in-reading-tga-header-file.patch

@@ -0,0 +1,33 @@
+From 8b111b2b4a4842179be66db68d84dda91a246032 Mon Sep 17 00:00:00 2001
+From: maryam ebrahimzadeh <maryam.ebr@student.sharif.edu>
+Date: Mon, 19 Jul 2021 10:07:13 +0430
+Subject: [PATCH] fix read out-of-bands in reading tga header file
+
+CVE: CVE-2021-38115
+Upstream-Status: Backport [8b111b2b4a4842179be66db68d84dda91a246032]
+
+Signed-off-by: Sakib Sajal <sakib.sajal@windriver.com>
+---
+ src/gd_tga.c | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/src/gd_tga.c b/src/gd_tga.c
+index cae9428..286febb 100644
+--- a/src/gd_tga.c
++++ b/src/gd_tga.c
+@@ -191,7 +191,11 @@ int read_header_tga(gdIOCtx *ctx, oTga *tga)
+ 			return -1;
+ 		}
+ 
+-		gdGetBuf(tga->ident, tga->identsize, ctx);
++		
++		if (gdGetBuf(tga->ident, tga->identsize, ctx) != tga->identsize) {
++			gd_error("fail to read header ident");
++			return -1;
++		}
+ 	}
+ 
+ 	return 1;
+-- 
+2.25.1
+

meta-oe/recipes-support/gd/gd_2.3.2.bb

@@ -14,6 +14,7 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=8e5bc8627b9494741c905d65238c66b7"
 DEPENDS = "freetype libpng jpeg zlib tiff"
 
 SRC_URI = "git://github.com/libgd/libgd.git;branch=master \
+           file://0001-fix-read-out-of-bands-in-reading-tga-header-file.patch \
           "
 
 SRCREV = "2e40f55bfb460fc9d8cbcd290a0c9eb908d5af7e"