mupdf/pdf_fuzzer: Use-of-uninitialized-value in cf2_glyphpath_lineTo

2018-01-28T17:46:20
ID OSSFUZZ-5782
Type ossfuzz
Reporter Google
Modified 2018-09-13T07:14:03

Description

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

Detailed report: https://oss-fuzz.com/testcase?key=4986847932448768

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

Crash Type: Use-of-uninitialized-value Crash Address: Crash State: cf2_glyphpath_lineTo cf2_interpT2CharString cf2_getGlyphOutline

Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_mupdf&range=201801220544:201801230546

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=4986847932448768

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.

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