mupdf/pdf_fuzzer: Crash in pdf_read_new_xref

2018-01-31T16:02:17
ID OSSFUZZ-5856
Type ossfuzz
Reporter Google
Modified 2019-03-04T16:56:33

Description

Project: git://git.ghostscript.com/mupdf.git

Detailed report: https://oss-fuzz.com/testcase?key=4558604561547264

Project: mupdf Fuzzer: libFuzzer_mupdf_pdf_fuzzer Fuzz target binary: pdf_fuzzer Job Type: libfuzzer_msan_mupdf Platform Id: linux

Crash Type: UNKNOWN WRITE Crash Address: 0x7173ffffffe0 Crash State: pdf_read_new_xref read_xref_section pdf_read_xref_sections

Sanitizer: memory (MSAN)

Recommended Security Severity: High

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_mupdf&range=201801181639:201801190545

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=4558604561547264

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for more information.

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.

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 have questions for the OSS-Fuzz team, please file an issue at https://github.com/google/oss-fuzz/issues.