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Use more caution when converting floats to strings (bug #980085).

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Resolves: rhbz#980085
This commit is contained in:
Tim Waugh 2013-07-01 13:06:53 +01:00
parent a84c27abc6
commit 31ae65acee
2 changed files with 30 additions and 1 deletions
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22
ghostscript-wrf-snprintf.patch Normal file
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@ -0,0 +1,22 @@
diff -up ghostscript-9.07/base/wrfont.c.wrf-snprintf ghostscript-9.07/base/wrfont.c
--- ghostscript-9.07/base/wrfont.c.wrf-snprintf 2013-07-01 13:02:33.373244683 +0100
+++ ghostscript-9.07/base/wrfont.c 2013-07-01 13:04:55.022864299 +0100
@@ -72,7 +72,8 @@ WRF_wfloat(WRF_output * a_output, double
{
char buffer[32];
- gs_sprintf(buffer, "%f", a_float);
+ if (gs_snprintf(buffer, sizeof (buffer), "%f", a_float) >= sizeof (buffer))
+ buffer[sizeof (buffer) - 1] = '\0';
WRF_wstring(a_output, buffer);
}
@@ -81,6 +82,7 @@ WRF_wint(WRF_output * a_output, long a_i
{
char buffer[32];
- gs_sprintf(buffer, "%ld", a_int);
+ if (gs_snprintf(buffer, sizeof (buffer), "%ld", a_int) >= sizeof (buffer))
+ buffer[sizeof (buffer) - 1] = '\0';
WRF_wstring(a_output, buffer);
}

9
ghostscript.spec
View File

@ -5,7 +5,7 @@ Summary: A PostScript interpreter and renderer
Name: ghostscript
Version: %{gs_ver}
Release: 6%{?dist}
Release: 7%{?dist}
# Included CMap data is Redistributable, no modification permitted,
# see http://bugzilla.redhat.com/487510
@ -28,6 +28,7 @@ Patch9: ghostscript-gdevcups-debug-uninit.patch
Patch10: ghostscript-gs_sprintf.patch
Patch11: ghostscript-pdfwrite-segfault.patch
Patch12: ghostscript-strange-fonts.patch
Patch13: ghostscript-wrf-snprintf.patch
Requires: urw-fonts >= 1.1, ghostscript-fonts
Requires: poppler-data
@ -146,6 +147,9 @@ rm -rf expat freetype icclib jasper jpeg lcms2 libpng openjpeg zlib cups/libs
# Upstream patch from bug #690692 to handle strange fonts (bug #969660).
%patch12 -p1 -b .strange-fonts
# Use more caution when converting floats to strings (bug #980085).
%patch13 -p1 -b .wrf-snprintf
# Remove pdfopt man pages which were mistakenly left in (bug #963882).
rm man/{de/,}pdfopt.1
@ -345,6 +349,9 @@ rm -rf $RPM_BUILD_ROOT
%{_libdir}/libgs.so
%changelog
* Mon Jul 1 2013 Tim Waugh <twaugh@redhat.com> 9.07-7
- Use more caution when converting floats to strings (bug #980085).
* Tue Jun 18 2013 Tim Waugh <twaugh@redhat.com> 9.07-6
- Upstream patch from bug #690692 to handle strange fonts (bug #969660).