diff options
-rw-r--r-- | deflate.c | 2 | ||||
-rw-r--r-- | inflate.c | 2 |
2 files changed, 4 insertions, 0 deletions
@@ -279,6 +279,8 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, if (windowBits < 0) { /* suppress zlib wrapper */ wrap = 0; + if (windowBits < -15) + return Z_STREAM_ERROR; windowBits = -windowBits; } #ifdef GZIP @@ -168,6 +168,8 @@ int windowBits; /* extract wrap request from windowBits parameter */ if (windowBits < 0) { + if (windowBits < -15) + return Z_STREAM_ERROR; wrap = 0; windowBits = -windowBits; } |