From 754137e70cf58a64ad524b704a86b651ba0cde07 Mon Sep 17 00:00:00 2001
From: Petr Stodulka <pstodulk@redhat.com>
Date: Wed, 14 Dec 2016 16:30:36 +0100
Subject: [PATCH] Fix CVE-2016-9844 (rhbz#1404283)

Fixes buffer overflow in zipinfo in similar way like fix for
CVE-2014-9913 provided by upstream.
---
 zipinfo.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/zipinfo.c b/zipinfo.c
index c03620e..accca2a 100644
--- a/zipinfo.c
+++ b/zipinfo.c
@@ -1984,7 +1984,19 @@ static int zi_short(__G)   /* return PK-type error code */
         ush  dnum=(ush)((G.crec.general_purpose_bit_flag>>1) & 3);
         methbuf[3] = dtype[dnum];
     } else if (methnum >= NUM_METHODS) {   /* unknown */
-        sprintf(&methbuf[1], "%03u", G.crec.compression_method);
+        /* 2016-12-05 SMS.
+         * https://launchpad.net/bugs/1643750
+         * Unexpectedly large compression methods overflow
+         * &methbuf[].  Use the old, three-digit decimal format
+         * for values which fit.  Otherwise, sacrifice the "u",
+         * and use four-digit hexadecimal.
+         */
+        if (G.crec.compression_method <= 999) {
+              sprintf( &methbuf[ 1], "%03u", G.crec.compression_method);
+        } else {
+              sprintf( &methbuf[ 0], "%04X", G.crec.compression_method);
+        }
+
     }
 
     for (k = 0;  k < 15;  ++k)
-- 
2.5.5

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<tr><td><span title='2019-10-16 09:31:54 +0300'>2019-10-16</span></td><td><a href='/guix/commit/gnu/packages/patches/aspell-gcc-compat.patch?id=4a822462ef66c4c61d2f3351cc2d91dd76e1a701'>Revert "gnu: aspell: Update to 0.60.8."</a><span class='msg-avail'>...<span class='msg-tooltip'>This reverts commit 4fcb6a3558b4212462c7c2afd2f5a834342f41be.

aspell causes about 1400 packages to be rebuilt.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2019-10-16 09:19:50 +0300'>2019-10-16</span></td><td><a href='/guix/commit/gnu/packages/patches/aspell-gcc-compat.patch?id=4fcb6a3558b4212462c7c2afd2f5a834342f41be'>gnu: aspell: Update to 0.60.8.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/aspell.scm (aspell): Update to 0.60.8.
[source]: Remove patch.
* gnu/packages/patches/aspell-gcc-compat.patch: Remove file.
* gnu/local.mk (dist_patch_DATA): Remove it.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2019-02-09 21:53:42 +0100'>2019-02-09</span></td><td><a href='/guix/commit/gnu/packages/patches/aspell-gcc-compat.patch?id=8771fc1715b400ead16f97683c67ad336b485750'>gnu: aspell: Fix FTBFS with GCC7.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/patches/aspell-gcc-compat.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/aspell.scm (aspell)[source](patches): Use it.
</span></span></td><td>Marius Bakke</td></tr>