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Fix bug that accepted invalid zlib header when windowBits is zero.

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6cef1de740
This commit is contained in:
Alex Kocharin 2022-06-08 18:36:51 +03:00
parent a98f90806e
commit 8f630ba374
1 changed files with 1 additions and 1 deletions
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2
lib/zlib/inflate.js
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@ -469,7 +469,7 @@ const inflate = (strm, flush) => {
if (state.wbits === 0) { if (state.wbits === 0) {
state.wbits = len; state.wbits = len;
} }
else if (len > state.wbits) { if (len > 15 || len > state.wbits) {
strm.msg = 'invalid window size'; strm.msg = 'invalid window size';
state.mode = BAD; state.mode = BAD;
break; break;