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guix/gnu/packages/patches/icecat-CVE-2015-4482.patch
Mark H Weaver c037a0f7ce gnu: icecat: Add fixes for CVE-2015-{4473,4482,4488,4489,4491,4492}.
WARNING: CVE-2015-4473 may not be fully addressed here, because I was unable
to backport some of the patches (for upstream bugs 1182711 and 1146213).  I
was also unable to backport CVE-2015-4484 (upstream bug 1171540) and
CVE-2015-4487 (upstream bug 1171603).  I was unable to find any commit in the
upstream repository that claims to address bug 1105914 (CVE-2015-4478).

* gnu/packages/patches/icecat-CVE-2015-4473-partial.patch,
  gnu/packages/patches/icecat-CVE-2015-4482.patch,
  gnu/packages/patches/icecat-CVE-2015-4488.patch,
  gnu/packages/patches/icecat-CVE-2015-4489.patch,
  gnu/packages/patches/icecat-CVE-2015-4491.patch,
  gnu/packages/patches/icecat-CVE-2015-4492.patch: New files.
* gnu-system.am (dist_patch_DATA): Add them.
* gnu/packages/gnuzilla.scm (icecat)[source]: Add patches.
2015-08-12 20:37:44 -04:00

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From 932a017c745d40d661602f6145c95c9226d8450d Mon Sep 17 00:00:00 2001
From: Stephen Pohl <spohl.mozilla.bugs@gmail.com>
Date: Sat, 18 Jul 2015 18:42:15 -0700
Subject: [PATCH] Bug 1184500 - Improve handling of index names in MAR files.
r=rstrong, a=lmandel
---
modules/libmar/src/mar_read.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/modules/libmar/src/mar_read.c b/modules/libmar/src/mar_read.c
index c647370..2013b0f 100644
--- a/modules/libmar/src/mar_read.c
+++ b/modules/libmar/src/mar_read.c
@@ -96,6 +96,10 @@ static int mar_consume_index(MarFile *mar, char **buf, const char *buf_end) {
++(*buf);
}
namelen = (*buf - name);
+ /* must ensure that namelen is valid */
+ if (namelen < 0) {
+ return -1;
+ }
/* consume null byte */
if (*buf == buf_end)
return -1;
--
2.4.3