ots:ots-fuzzer: Heap-buffer-overflow in LZ4_read16

2019-12-14T10:59:45
ID OSSFUZZ-19488
Type ossfuzz
Reporter Google
Modified 2020-05-14T15:50:11

Description

Project: https://github.com/khaledhosny/ots.git

Detailed Report: https://oss-fuzz.com/testcase?key=6229453185482752

Project: ots Fuzzing Engine: libFuzzer Fuzz Target: ots-fuzzer Job Type: libfuzzer_asan_ots Platform Id: linux

Crash Type: Heap-buffer-overflow READ 2 Crash Address: 0x6180000007ce Crash State: LZ4_read16 LZ4_decompress_safe_partial ots::OpenTypeSILF::Parse

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_ots&range=201912131838:201912140458

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6229453185482752

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally. When you fix this bug, please * mention the fix revision(s). * state whether the bug was a short-lived regression or an old bug in any stable releases. * add any other useful information. This information can help downstream consumers.

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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.