imagemagick:encoder_mvg_fuzzer: Heap-use-after-free in TraceBezier

2019-08-18T10:28:58
ID OSSFUZZ-16537
Type ossfuzz
Reporter Google
Modified 2019-09-18T15:31:13

Description

Project: https://github.com/imagemagick/imagemagick.git

Detailed Report: https://oss-fuzz.com/testcase?key=5665525908111360

Project: imagemagick Fuzzing Engine: libFuzzer Fuzz Target: encoder_mvg_fuzzer Job Type: libfuzzer_asan_imagemagick Platform Id: linux

Crash Type: Heap-use-after-free READ 8 Crash Address: 0x7fe56534e5b0 Crash State: TraceBezier TracePath RenderMVGContent

Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_imagemagick&range=201908170259:201908180257

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5665525908111360

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing 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.