diff options
author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-11-09 15:37:04 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-11-09 15:37:04 +0000 |
commit | 60055f8dfde7251330d345c64f0963a2e11cd9d3 (patch) | |
tree | f2e712e59a5123f54b0871dd1808883dc3c298ae /lib | |
parent | a3e4d6a56eb733bc22cf97b885fb460c4b598018 (diff) |
* lib/resolv.rb (Resolv::DNS::Message::MessageEncoder#put_labels):
Prevent overflow of pointer to labels.
Patch by Hannes Georg. [ruby-core:71248] [Bug #11632]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52508 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib')
-rw-r--r-- | lib/resolv.rb | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/resolv.rb b/lib/resolv.rb index a5eb9fe55f..17c832037f 100644 --- a/lib/resolv.rb +++ b/lib/resolv.rb @@ -1477,7 +1477,9 @@ class Resolv self.put_pack("n", 0xc000 | idx) return else - @names[domain] = @data.length + if @data.length < 0x4000 + @names[domain] = @data.length + end self.put_label(d[i]) end } |