leptonica:dewarp_fuzzer: Heap-buffer-overflow in rasteropGeneralLow

2020-07-02T20:58:48
ID OSSFUZZ-23866
Type ossfuzz
Reporter Google
Modified 2020-08-02T20:06:31

Description

Detailed Report: https://oss-fuzz.com/testcase?key=5476428945817600

Project: leptonica Fuzzing Engine: libFuzzer Fuzz Target: dewarp_fuzzer Job Type: libfuzzer_asan_leptonica Platform Id: linux

Crash Type: Heap-buffer-overflow READ 4 Crash Address: 0x6020000002c0 Crash State: rasteropGeneralLow rasteropLow pixRasterop

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_leptonica&range=202005020213:202005030215

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5476428945817600

Issue filed automatically.

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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.