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Bug#863877: marked as done (unblock: pngquant/2.5.0-2)

Your message dated Fri, 02 Jun 2017 05:48:00 +0000
with message-id <672a27ed-e2b6-95d1-b7a7-ac2fcc752f3f@thykier.net>
and subject line Re: Bug#863877: unblock: pngquant/2.5.0-2
has caused the Debian Bug report #863877,
regarding unblock: pngquant/2.5.0-2
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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-- 
863877: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863877
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: release.debian.org
Severity: normal
User: release.debian.org@packages.debian.org
Usertags: unblock

Please unblock package pngquant

Fixes CVE-2016-5735

Thanks for your work as release team

      Andreas.


unblock pngquant/2.5.0-2

-- System Information:
Debian Release: 8.8
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.16.0-4-amd64 (SMP w/1 CPU core)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

diff -Nru pngquant-2.5.0/debian/changelog pngquant-2.5.0/debian/changelog
--- pngquant-2.5.0/debian/changelog	2015-07-27 09:54:49.000000000 +0200
+++ pngquant-2.5.0/debian/changelog	2017-06-01 10:05:51.000000000 +0200
@@ -1,3 +1,11 @@
+pngquant (2.5.0-2) unstable; urgency=medium
+
+  * Fix CVE-2016-5735 (Thanks for the patch to Emilio Pozuelo
+    Monfort <pochu@debian.org>)
+    Closes: 863469
+
+ -- Andreas Tille <tille@debian.org>  Thu, 01 Jun 2017 10:05:51 +0200
+
 pngquant (2.5.0-1) unstable; urgency=medium
 
   * New upstream version
diff -Nru pngquant-2.5.0/debian/patches/CVE-2016-5735.patch pngquant-2.5.0/debian/patches/CVE-2016-5735.patch
--- pngquant-2.5.0/debian/patches/CVE-2016-5735.patch	1970-01-01 01:00:00.000000000 +0100
+++ pngquant-2.5.0/debian/patches/CVE-2016-5735.patch	2017-06-01 10:05:51.000000000 +0200
@@ -0,0 +1,20 @@
+Author: Emilio Pozuelo Monfort <pochu@debian.org>
+Last-Update: Wed, 31 May 2017 22:44:53 +0200
+Bug-Debian: https://bugs.debian.org/863469
+Description: CVE-2016-5735
+
+--- a/rwpng.c
++++ b/rwpng.c
+@@ -278,6 +278,12 @@ pngquant_error rwpng_read_image24_libpng
+ 
+     rowbytes = png_get_rowbytes(png_ptr, info_ptr);
+ 
++    // For overflow safety reject images that won't fit in 32-bit
++    if (rowbytes > INT_MAX/mainprog_ptr->height) {
++        png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
++        return PNG_OUT_OF_MEMORY_ERROR;  /* not quite true, but whatever */
++    }
++
+     if ((mainprog_ptr->rgba_data = malloc(rowbytes*mainprog_ptr->height)) == NULL) {
+         fprintf(stderr, "pngquant readpng:  unable to allocate image data\n");
+         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
diff -Nru pngquant-2.5.0/debian/patches/series pngquant-2.5.0/debian/patches/series
--- pngquant-2.5.0/debian/patches/series	1970-01-01 01:00:00.000000000 +0100
+++ pngquant-2.5.0/debian/patches/series	2017-05-31 22:08:30.000000000 +0200
@@ -0,0 +1 @@
+CVE-2016-5735.patch

--- End Message ---
--- Begin Message --- 
Andreas Tille:
> Package: release.debian.org
> Severity: normal
> User: release.debian.org@packages.debian.org
> Usertags: unblock
> 
> Please unblock package pngquant
> 
> Fixes CVE-2016-5735
> 
> Thanks for your work as release team
> 
>       Andreas.
> 
> 
> unblock pngquant/2.5.0-2
> 
> [...]

Unblocked (by pochu), thanks.

~Niels

--- End Message ---
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