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home:Alexander_Naumov:SLE-12:Update
zsh.23099
CVE-2018-7549.patch
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File CVE-2018-7549.patch of Package zsh.23099
commit c2cc8b0fbefc9868fa83537f5b6d90fc1ec438dd Author: Stephane Chazelas <stephane.chazelas@gmail.com> Date: Fri Dec 22 22:17:09 2017 +0000 Avoid crash copying empty hash table. Visible with typeset -p. Index: zsh-5.0.5/Src/params.c =================================================================== --- zsh-5.0.5.orig/Src/params.c +++ zsh-5.0.5/Src/params.c @@ -498,10 +498,13 @@ scancopyparams(HashNode hn, UNUSED(int f HashTable copyparamtable(HashTable ht, char *name) { - HashTable nht = newparamtable(ht->hsize, name); - outtable = nht; - scanhashtable(ht, 0, 0, 0, scancopyparams, 0); - outtable = NULL; + HashTable nht = 0; + if (ht) { + nht = newparamtable(ht->hsize, name); + outtable = nht; + scanhashtable(ht, 0, 0, 0, scancopyparams, 0); + outtable = NULL; + } return nht; }
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