lzma/lzmaenc_fuzzer: Heap-buffer-overflow in OutputBuffer::Write

2019-04-01T20:34:23
ID OSSFUZZ-14012
Type ossfuzz
Reporter Google
Modified 2019-05-02T15:26:59

Description

Detailed report: https://oss-fuzz.com/testcase?key=5641558126231552

Project: lzma Fuzzer: libFuzzer_lzma_lzmaenc_fuzzer Fuzz target binary: lzmaenc_fuzzer Job Type: libfuzzer_asan_lzma Platform Id: linux

Crash Type: Heap-buffer-overflow WRITE 12 Crash Address: 0x631000024800 Crash State: OutputBuffer::Write RangeEnc_FlushStream Flush

Sanitizer: address (ASAN)

Recommended Security Severity: High

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5641558126231552

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for instructions to reproduce this bug locally.

This bug is subject to a 90 day disclosure deadline. If 90 days elapse without an upstream patch, then the bug report will automatically become visible to the public.

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