Reproducing CVE-2015-1380 (reported by Matthew Daley) fk@r500 ~/git/privoxy $./privoxy_3_0_22 --stfu --fuzz chunked-transfer-encoding invalid_chunk Assertion failed: (*length <= (size_t)(iob->eod - iob->cur)), function chunked_body_is_complete, file jcc.c, line 1410. Abort trap (core dumped) fk@r500 ~/git/privoxy $./privoxy --fuzz chunked-transfer-encoding invalid_chunk 2015-01-30 12:10:47.486 801c06400 Info: Chunked body is incomplete or invalid 2015-01-30 12:10:47.486 801c06400 Re-Filter: De-chunking successful. Shrunk from 9 to 1