imagemagick/encoder_bmp_fuzzer: Use-of-uninitialized-value in cmsMLUgetASCII

Project: https://github.com/imagemagick/imagemagick.git Detailed report: https://oss-fuzz.com/testcase?key=5742789528125440 Project: imagemagick Fuzzer: libFuzzerimagemagickencoderbmpfuzzer Fuzz target binary: encoderbmpfuzzer Job Type: libfuzzermsanimagemagick Platform Id: linux Crash Type:...

libsass/data_context_fuzzer: Crash in Sass::Parser::parseCompoundSelector

Project: https://github.com/sass/libsass.git Detailed report: https://oss-fuzz.com/testcase?key=5717181783867392 Project: libsass Fuzzer: libFuzzerlibsassdatacontextfuzzer Fuzz target binary: datacontextfuzzer Job Type: libfuzzermsanlibsass Platform Id: linux Crash Type: UNKNOWN READ Crash Addres...

libsass/data_context_fuzzer: Heap-buffer-overflow in std::__1::vector<std::__1::vector<Sass::SharedImpl<Sass::ComplexSelector>, std::

Project: https://github.com/sass/libsass.git Detailed report: https://oss-fuzz.com/testcase?key=5161915090731008 Project: libsass Fuzzer: libFuzzerlibsassdatacontextfuzzer Fuzz target binary: datacontextfuzzer Job Type: libfuzzerasanlibsass Platform Id: linux Crash Type: Heap-buffer-overflow READ...

freeimage/load_from_memory_fuzzer: Heap-buffer-overflow in LoadPixelDataRLE4

Detailed report: https://oss-fuzz.com/testcase?key=5116007367049216 Project: freeimage Fuzzer: aflloadfrommemoryfuzzer Fuzz target binary: loadfrommemoryfuzzer Job Type: aflasanfreeimage Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 1 Crash Address: 0x7f0ea94779b0 Crash State:...

jsonnet/convert_jsonnet_fuzzer: Use-of-uninitialized-value in Interpreter::evaluate

Detailed report: https://oss-fuzz.com/testcase?key=5766210858254336 Project: jsonnet Fuzzer: libFuzzerjsonnetconvertjsonnetfuzzer Fuzz target binary: convertjsonnetfuzzer Job Type: libfuzzermsanjsonnet Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State:...

cryptofuzz/cryptofuzz-openssl-noasm: Null-dereference READ with empty stacktrace

Project: https://github.com/guidovranken/cryptofuzz.git Detailed report: https://oss-fuzz.com/testcase?key=5732082979962880 Project: cryptofuzz Fuzzer: libFuzzercryptofuzzcryptofuzz-openssl-noasm Fuzz target binary: cryptofuzz-openssl-noasm Job Type: libfuzzerubsancryptofuzz Platform Id: linux...

llvm/llvm-opt-fuzzer--x86_64-guard_widening: Use-of-uninitialized-value in initStream

Detailed report: https://oss-fuzz.com/testcase?key=5731751848050688 Project: llvm Fuzzer: libFuzzerllvmllvm-opt-fuzzer--x8664-guardwidening Fuzz target binary: llvm-opt-fuzzer--x8664-guardwidening Job Type: libfuzzermsanllvm Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address:...

mruby/mruby_fuzzer: Use-of-uninitialized-value in ht_copy

Project: https://github.com/mruby/mruby.git Detailed report: https://oss-fuzz.com/testcase?key=5098398899765248 Project: mruby Fuzzer: libFuzzermrubyfuzzer Fuzz target binary: mrubyfuzzer Job Type: libfuzzermsanmruby Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash...

ffmpeg/ffmpeg_AV_CODEC_ID_VC1_fuzzer: Index-out-of-bounds in vc1_decode_ac_coeff

Project: https://git.ffmpeg.org/ffmpeg.git Detailed report: https://oss-fuzz.com/testcase?key=4822259010633728 Project: ffmpeg Fuzzer: libFuzzerffmpegAVCODECIDVC1fuzzer Fuzz target binary: ffmpegAVCODECIDVC1fuzzer Job Type: libfuzzerubsanffmpeg Platform Id: linux Crash Type: Index-out-of-bounds...

icu/collator_rulebased_fuzzer: Use-of-uninitialized-value in isMatchAtCPBoundary

Project: https://github.com/unicode-org/icu.git Detailed report: https://oss-fuzz.com/testcase?key=5644492876546048 Project: icu Fuzzer: libFuzzericucollatorrulebasedfuzzer Fuzz target binary: collatorrulebasedfuzzer Job Type: libfuzzermsanicu Platform Id: linux Crash Type:...

Mozilla Spidermonkey - IonMonkey (Array.prototype.pop) Type Confusion Exploit

The following program found through fuzzing and manually modified crashes Spidermonkey built from the current beta channel and Firefox 66.0.3 current stable: // Run with --no-threads for increased reliability const v4 = a: 0, a: 1, a: 2, a: 3, a: 4; function v7v8,v9 if v4.length == 0 v43 = a: 5; ...

imagemagick/ping_dng_fuzzer: Crash in LibRaw::recycle

Project: https://github.com/imagemagick/imagemagick.git Detailed report: https://oss-fuzz.com/testcase?key=5673227122114560 Project: imagemagick Fuzzer: libFuzzerimagemagickpingdngfuzzer Fuzz target binary: pingdngfuzzer Job Type: libfuzzerasanimagemagick Platform Id: linux Crash Type: UNKNOWN...

radare2/ia_fuzz: Stack-buffer-overflow in string_scan_range

Project: https://github.com/radare/radare2.git Detailed report: https://oss-fuzz.com/testcase?key=5638315212013568 Project: radare2 Fuzzer: libFuzzerradare2iafuzz Fuzz target binary: iafuzz Job Type: libfuzzerasanradare2 Platform Id: linux Crash Type: Stack-buffer-overflow WRITE 1 Crash Address:...

openthread/ncp-uart-received-fuzzer: Stack-buffer-overflow in ot::Message::Write

Project: https://github.com/openthread/openthread.git Detailed report: https://oss-fuzz.com/testcase?key=5734126906245120 Project: openthread Fuzzer: aflopenthreadncp-uart-received-fuzzer Fuzz target binary: ncp-uart-received-fuzzer Job Type: aflasanopenthread Platform Id: linux Crash Type:...

Double-Free RCE in VLC. A honggfuzz how-to

Introduction I spent three months working on VLC using Honggfuzz, tweaking it to suit the target. In the process, I found five vulnerabilities, one of which was a high-risk double-free issue and merited CVE-2019-12874. Here’s the VLC advisory . Here’s how I found it. I hope you find the how-to...

imagemagick/ping_icon_fuzzer: Use-of-uninitialized-value in png_crc_finish

Project: https://github.com/imagemagick/imagemagick.git Detailed report: https://oss-fuzz.com/testcase?key=5751794220662784 Project: imagemagick Fuzzer: libFuzzerimagemagickpingiconfuzzer Fuzz target binary: pingiconfuzzer Job Type: libfuzzermsanimagemagick Platform Id: linux Crash Type:...

openthread/radio-receive-done-fuzzer: Stack-buffer-overflow in ot::Message::Write

Project: https://github.com/openthread/openthread.git Detailed report: https://oss-fuzz.com/testcase?key=5759171934289920 Project: openthread Fuzzer: libFuzzeropenthreadradio-receive-done-fuzzer Fuzz target binary: radio-receive-done-fuzzer Job Type: libfuzzerasanopenthread Platform Id: linux Cra...

openthread/ip6-send-fuzzer: Stack-buffer-overflow in ot::MeshCoP::DatasetManager::HandleSet

Project: https://github.com/openthread/openthread.git Detailed report: https://oss-fuzz.com/testcase?key=5683612520808448 Project: openthread Fuzzer: aflopenthreadip6-send-fuzzer Fuzz target binary: ip6-send-fuzzer Job Type: aflasanopenthread Platform Id: linux Crash Type: Stack-buffer-overflow...

ffmpeg/ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer: Crash in extract_header

Project: https://git.ffmpeg.org/ffmpeg.git Detailed report: https://oss-fuzz.com/testcase?key=5080476840099840 Project: ffmpeg Fuzzer: aflffmpegAVCODECIDIFFILBMfuzzer Fuzz target binary: ffmpegAVCODECIDIFFILBMfuzzer Job Type: aflasanffmpeg Platform Id: linux Crash Type: UNKNOWN WRITE Crash Addres...

imagemagick/encoder_heic_fuzzer: Bad-cast to std::__1::__shared_weak_count from invalid vptr in std::__1::shared_ptr<heif::HeifPixelImage>::~shared_ptr

Project: https://github.com/imagemagick/imagemagick.git Detailed report: https://oss-fuzz.com/testcase?key=5669433122488320 Project: imagemagick Fuzzer: libFuzzerimagemagickencoderheicfuzzer Fuzz target binary: encoderheicfuzzer Job Type: libfuzzerubsanimagemagick Platform Id: linux Crash Type:...