From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Thu, 25 Apr 2019 12:30:24 +0000 (+0100)
Subject: [Fix] Fix buffer overflow when printing small floats
X-Git-Tag: 1.9.3~71
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=92a1f7a412f35354e3e471aadeeba537b18ab45e;p=thirdparty%2Frspamd.git

[Fix] Fix buffer overflow when printing small floats
---

diff --git a/contrib/fpconv/fpconv.h b/contrib/fpconv/fpconv.h
index 83180d41f5..0bc270b315 100644
--- a/contrib/fpconv/fpconv.h
+++ b/contrib/fpconv/fpconv.h
@@ -26,7 +26,7 @@
  *
  */
 
-int fpconv_dtoa(double fp, char dest[24], bool scientific);
+int fpconv_dtoa(double fp, char dest[32], bool scientific);
 
 #endif
 
diff --git a/src/libutil/printf.c b/src/libutil/printf.c
index 84dd5d2726..6739fe1421 100644
--- a/src/libutil/printf.c
+++ b/src/libutil/printf.c
@@ -591,7 +591,7 @@ rspamd_vprintf_common (rspamd_printf_append_func func,
 	const gchar *fmt,
 	va_list args)
 {
-	gchar zero, numbuf[G_ASCII_DTOSTR_BUF_SIZE], dtoabuf[24], *p, *last, c;
+	gchar zero, numbuf[G_ASCII_DTOSTR_BUF_SIZE], dtoabuf[32], *p, *last, c;
 	const gchar *buf_start = fmt, *fmt_start = NULL;
 	gint d;
 	gdouble f;