sahvx655-wq opened a new pull request, #63910:
URL: https://github.com/apache/doris/pull/63910
A crafted SNAPPYBLOCK stream (CSV load) overflows the line-reader output
buffer:
decompressor.cpp:679: snappy::RawUncompress writes 4096 bytes
into a 64-byte output buffer (heap out-of-bounds write)
GetUncompressedLength reads the per-block length from the
attacker-controlled header but it is never bounded against the remaining output
before the copy.
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