1 files changed, 60 insertions, 0 deletions
diff --git a/gnu/packages/patches/libextractor-CVE-2018-20430.patch b/gnu/packages/patches/libextractor-CVE-2018-20430.patch
new file mode 100644
index 0000000000..570cd7c006
--- /dev/null
+++ b/gnu/packages/patches/libextractor-CVE-2018-20430.patch
@@ -0,0 +1,60 @@
+Fix CVE-2018-20430:
+
+https://gnunet.org/bugs/view.php?id=5493
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20430
+https://security-tracker.debian.org/tracker/CVE-2018-20430
+
+Patch copied from upstream source repository:
+
+https://gnunet.org/git/libextractor.git/commit/?id=b405d707b36e0654900cba78e89f49779efea110
+
+From b405d707b36e0654900cba78e89f49779efea110 Mon Sep 17 00:00:00 2001
+From: Christian Grothoff <christian@grothoff.org>
+Date: Thu, 20 Dec 2018 22:47:53 +0100
+Subject: [PATCH] fix #5493 (out of bounds read)
+
+---
+ src/common/convert.c | 10 +++++-----
+ 1 file changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/src/common/convert.c b/src/common/convert.c
+index c0edf21..2be2108 100644
+--- a/src/common/convert.c
++++ b/src/common/convert.c
+@@ -36,8 +36,8 @@
+  *  string is returned.
+  */
+ char *
+-EXTRACTOR_common_convert_to_utf8 (const char *input, 
+-				  size_t len, 
++EXTRACTOR_common_convert_to_utf8 (const char *input,
++				  size_t len,
+ 				  const char *charset)
+ {
+ #if HAVE_ICONV
+@@ -52,7 +52,7 @@ EXTRACTOR_common_convert_to_utf8 (const char *input,
+   i = input;
+   cd = iconv_open ("UTF-8", charset);
+   if (cd == (iconv_t) - 1)
+-    return strdup (i);
++    return strndup (i, len);
+   if (len > 1024 * 1024)
+     {
+       iconv_close (cd);
+@@ -67,11 +67,11 @@ EXTRACTOR_common_convert_to_utf8 (const char *input,
+     }
+   itmp = tmp;
+   finSize = tmpSize;
+-  if (iconv (cd, (char **) &input, &len, &itmp, &finSize) == SIZE_MAX)
++  if (iconv (cd, (char **) &input, &len, &itmp, &finSize) == ((size_t) -1))
+     {
+       iconv_close (cd);
+       free (tmp);
+-      return strdup (i);
++      return strndup (i, len);
+     }
+   ret = malloc (tmpSize - finSize + 1);
+   if (ret == NULL)
+-- 
+2.20.1
+