OSV-2026-136 Memcpy-param-overlap in grk::memStreamRead

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=478035120 Crash type: Memcpy-param-overlap Crash state: grk::memStreamRead grk::BufferedStream::read grk::MarkerParser::readSOTorEOC...

OSV-2026-128 UNKNOWN READ in rapidjson::internal::DigitGen

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=477993729 Crash type: UNKNOWN READ Crash state: rapidjson::internal::DigitGen rapidjson::internal::Grisu2 rapidjson::Writer, rapidjso...

wasmer:universal_singlepass: Crash in universal_singlepass

Detailed Report: https://oss-fuzz.com/testcase?key=6015729068736512 Project: wasmer Fuzzing Engine: libFuzzer Fuzz Target: universalsinglepass Job Type: libfuzzerasanwasmer Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x740e7606e07f Crash State: universalsinglepass Sanitizer: addres...

gdal:gdal_fuzzer: Heap-buffer-overflow in m_zero_block

Project: https://github.com/OSGeo/gdal.git Detailed Report: https://oss-fuzz.com/testcase?key=5868964264869888 Project: gdal Fuzzing Engine: afl Fuzz Target: gdalfuzzer Job Type: aflasangdal Platform Id: linux Crash Type: Heap-buffer-overflow WRITE Crash Address: 0x79534a0e7410 Crash State:...

pcapplusplus:FuzzTarget: Heap-buffer-overflow in pcpp::MplsLayer::toString

Project: https://github.com/seladb/PcapPlusPlus.git Detailed Report: https://oss-fuzz.com/testcase?key=5635714925789184 Project: pcapplusplus Fuzzing Engine: libFuzzer Fuzz Target: FuzzTarget Job Type: libfuzzerasanpcapplusplus Platform Id: linux Crash Type: Heap-buffer-overflow READ 2 Crash...

systemd:fuzz-lldp-rx: Use-of-uninitialized-value in sd_event_wait

Project: https://github.com/systemd/systemd.git Detailed Report: https://oss-fuzz.com/testcase?key=5461323751424000 Project: systemd Fuzzing Engine: libFuzzer Fuzz Target: fuzz-lldp-rx Job Type: libfuzzermsansystemd Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash...

openssl:pkcs12: Global-buffer-overflow in get_string_internal

Project: https://github.com/openssl/openssl.git Detailed Report: https://oss-fuzz.com/testcase?key=5072486739017728 Project: openssl Fuzzing Engine: libFuzzer Fuzz Target: pkcs12 Job Type: libfuzzerasanopenssl Platform Id: linux Crash Type: Global-buffer-overflow READ Crash Address: 0x55656b74556...

OSV-2026-122 Use-of-uninitialized-value in rtcm2_unpack

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=477971098 Crash type: Use-of-uninitialized-value Crash state: rtcm2unpack rtcm104v2analyze gpsdpoll...

thrift-c_glib:fuzz_parse_compact: Segv on unknown address in g_int64_hash

Detailed Report: https://oss-fuzz.com/testcase?key=5403895039066112 Project: thrift-cglib Fuzzing Engine: afl Fuzz Target: fuzzparsecompact Job Type: aflasanthrift-cglib Platform Id: linux Crash Type: Segv on unknown address Crash Address: Crash State: gint64hash libglib-2.0.so.0 containersread...

openexr:openexr_exrcorecheck_fuzzer: Crash in ojph::local::tile::parse_tile_header

Project: https://github.com/AcademySoftwareFoundation/openexr.git Detailed Report: https://oss-fuzz.com/testcase?key=6543649537327104 Project: openexr Fuzzing Engine: libFuzzer Fuzz Target: openexrexrcorecheckfuzzer Job Type: libfuzzerasanopenexr Platform Id: linux Crash Type: UNKNOWN READ Crash...

gpsd:FuzzDrivers: Use-of-uninitialized-value in rtcm2_unpack

Project: https://gitlab.com/gpsd/gpsd.git Detailed Report: https://oss-fuzz.com/testcase?key=6328987071873024 Project: gpsd Fuzzing Engine: libFuzzer Fuzz Target: FuzzDrivers Job Type: libfuzzermsangpsd Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State:...

OSV-2026-119 Segv on unknown address in gpsd_poll

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=477658237 Crash type: Segv on unknown address Crash state: gpsdpoll FuzzDrivers.c...

gpsd:FuzzDrivers: Segv on unknown address in gpsd_poll

Project: https://gitlab.com/gpsd/gpsd.git Detailed Report: https://oss-fuzz.com/testcase?key=5331927017259008 Project: gpsd Fuzzing Engine: afl Fuzz Target: FuzzDrivers Job Type: aflasangpsd Platform Id: linux Crash Type: Segv on unknown address Crash Address: Crash State: gpsdpoll FuzzDrivers.c...

mruby:mruby_fuzzer: Heap-buffer-overflow in mrb_vm_exec

Project: https://github.com/mruby/mruby.git Detailed Report: https://oss-fuzz.com/testcase?key=4920911034908672 Project: mruby Fuzzing Engine: afl Fuzz Target: mrubyfuzzer Job Type: aflasanmruby Platform Id: linux Crash Type: Heap-buffer-overflow READ 4 Crash Address: 0x79854b1e2c70 Crash State:...

OSV-2026-108 UNKNOWN in rapidjson::PrettyWriter<rapidjson::GenericStringBuffer<rapidjson::UTF8<char>, ra

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=477111546 Crash type: UNKNOWN Crash state: rapidjson::PrettyWriter, ra bool rapidjson::GenericValue, rapidjson::MemoryPoolAllocat bool rapidjson::GenericValue, rapidjson::MemoryPoolAllocat...

imagemagick:encoder_dng_fuzzer: Use-of-uninitialized-value in LibRaw::identify_finetune_dcr

Detailed Report: https://oss-fuzz.com/testcase?key=4892967251017728 Project: imagemagick Fuzzing Engine: libFuzzer Fuzz Target: encoderdngfuzzer Job Type: libfuzzermsanimagemagick Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: LibRaw::identifyfinetunedcr...

OSV-2026-98 Heap-buffer-overflow in hostname_issubdomain

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=476539622 Crash type: Heap-buffer-overflow READ 1 Crash state: hostnameissubdomain fuzzutil.c...

OSV-2026-94 Security exception in com.puppycrawl.tools.checkstyle.grammar.java.JavaLanguageParser.statement

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=476574781 Crash type: Security exception Crash state: com.puppycrawl.tools.checkstyle.grammar.java.JavaLanguageParser.statement java.base/jdk.internal.misc.Unsafe.weakCompareAndSetInt...

dnsmasq:fuzz_util: Heap-buffer-overflow in hostname_issubdomain

Detailed Report: https://oss-fuzz.com/testcase?key=6169046382084096 Project: dnsmasq Fuzzing Engine: afl Fuzz Target: fuzzutil Job Type: aflasandnsmasq Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x79ecc08e0a7f Crash State: hostnameissubdomain fuzzutil.c Sanitizer:...

OSV-2026-91 Use-after-poison in compress.cc

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=476224483 Crash type: Use-after-poison READ 1 Crash state: compress.cc LLVMFuzzerRunDriver selfdestruct...