leptonica:dewarp_fuzzer: Heap-buffer-overflow in rasteropGeneralLow

Type ossfuzz
Reporter Google
Modified 2020-08-12T20:08:14


Detailed Report: https://oss-fuzz.com/testcase?key=5743324372402176

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=5743324372402176

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.

If you need to contact the OSS-Fuzz team with a question, concern, or any other feedback, please file an issue at https://github.com/google/oss-fuzz/issues. Comments on individual Monorail issues are not monitored.

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.