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Correct a buffer overflow which occurred in the handling of some 

particularly corrupt deflated data streams.

Security:	FreeBSD-SA-05:16.zlib
Approved by:	re (security blanket)
This commit is contained in:
Colin Percival 2005-07-06 14:00:52 +00:00
parent bc5627d91f
commit 8d284299a9
1 changed files with 1 additions and 1 deletions
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2
lib/libz/inftrees.c
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@ -134,7 +134,7 @@ unsigned short FAR *work;
left -= count[len];
if (left < 0) return -1; /* over-subscribed */
}
if (left > 0 && (type == CODES || (codes - count[0] != 1)))
if (left > 0 && (type == CODES || max != 1))
return -1; /* incomplete set */
/* generate offsets into symbol table for each length for sorting */