OSV-2026-49 Heap-buffer-overflow in check_sync_pes

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=475305126 Crash type: Heap-buffer-overflow READ Crash state: checksyncpes Demux demuxprocessstream...

mruby:mruby_fuzzer: Use-of-uninitialized-value in mpz_to_s_dc

Project: https://github.com/mruby/mruby.git Detailed Report: https://oss-fuzz.com/testcase?key=4847344452698112 Project: mruby Fuzzing Engine: libFuzzer Fuzz Target: mrubyfuzzer Job Type: libfuzzermsanmruby Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State:...

OSV-2026-44 UNKNOWN READ in MP4_TrackSeek

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=475299914 Crash type: UNKNOWN READ Crash state: MP4TrackSeek DemuxMoov Demux...

graphicsmagick:coder_DCM_fuzzer: Use-of-uninitialized-value in jas_stream_fillbuf

Project: http://hg.code.sf.net/p/graphicsmagick/code Detailed Report: https://oss-fuzz.com/testcase?key=6486374839812096 Project: graphicsmagick Fuzzing Engine: libFuzzer Fuzz Target: coderDCMfuzzer Job Type: libfuzzermsangraphicsmagick Platform Id: linux Crash Type: Use-of-uninitialized-value...

checkstyle:CheckstyleFuzzer: Security exception in com.puppycrawl.tools.checkstyle.JavaAstVisitor.getInnerBopAst

Detailed Report: https://oss-fuzz.com/testcase?key=5305494049980416 Project: checkstyle Fuzzing Engine: libFuzzer Fuzz Target: CheckstyleFuzzer Job Type: libfuzzerasancheckstyle Platform Id: linux Crash Type: Security exception Crash Address: Crash State:...

OSV-2026-30 Use-of-uninitialized-value in vp9_quantize_fp_avx2

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=474614578 Crash type: Use-of-uninitialized-value Crash state: vp9quantizefpavx2 blockyrd vp9pickintermode...

ndpi:fuzz_process_packet: Global-buffer-overflow in ndpi_dpi2json

Project: https://github.com/ntop/nDPI.git Detailed Report: https://oss-fuzz.com/testcase?key=5993191188004864 Project: ndpi Fuzzing Engine: honggfuzz Fuzz Target: fuzzprocesspacket Job Type: honggfuzzasanndpi Platform Id: linux Crash Type: Global-buffer-overflow READ 4 Crash Address: 0x5af9c65fb2...

selinux:checkpolicy-fuzzer: Heap-use-after-free in expand_role_attributes_in_attributes

Project: https://github.com/SELinuxProject/selinux.git Detailed Report: https://oss-fuzz.com/testcase?key=4534120467464192 Project: selinux Fuzzing Engine: afl Fuzz Target: checkpolicy-fuzzer Job Type: aflasanselinux Platform Id: linux Crash Type: Heap-use-after-free READ 4 Crash Address:...

wireshark:fuzzshark_ip: Stack-buffer-overflow in dissect_multi_link

Project: https://code.wireshark.org/review/wireshark https://gitlab.com/wireshark/wireshark.git Detailed Report: https://oss-fuzz.com/testcase?key=6668679894073344 Project: wireshark Fuzzing Engine: honggfuzz Fuzz Target: fuzzsharkip Job Type: honggfuzzasanwireshark Platform Id: linux Crash Type:...

libssh2:ssh2_client_fuzzer: Null-dereference READ in ubsan_GetStackTrace

Project: https://github.com/cmeister2/libssh2.git https://github.com/libssh2/libssh2.git Detailed Report: https://oss-fuzz.com/testcase?key=5873195438899200 Project: libssh2 Fuzzing Engine: libFuzzer Fuzz Target: ssh2clientfuzzer Job Type: libfuzzerubsanlibssh2 Platform Id: linux Crash Type:...

iperf:auth_fuzzer: Heap-buffer-overflow in Base64Decode

Project: https://github.com/esnet/iperf.git Detailed Report: https://oss-fuzz.com/testcase?key=5643164372500480 Project: iperf Fuzzing Engine: afl Fuzz Target: authfuzzer Job Type: aflasaniperf Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 1 Crash Address: 0x7ba7bdbe00ef Crash State:...

iperf:iperf_api_fuzzer: Heap-use-after-free in iperf_free_test

Project: https://github.com/esnet/iperf.git Detailed Report: https://oss-fuzz.com/testcase?key=4509280261963776 Project: iperf Fuzzing Engine: libFuzzer Fuzz Target: iperfapifuzzer Job Type: libfuzzerasaniperf Platform Id: linux Crash Type: Heap-use-after-free READ 8 Crash Address: 0x7c7508aff308...

OSV-2026-19 Security exception in com.puppycrawl.tools.checkstyle.grammar.java.JavaLanguageParser.expr

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=473884569 Crash type: Security exception Crash state: com.puppycrawl.tools.checkstyle.grammar.java.JavaLanguageParser.expr java.base/java.lang.String. org.antlr.v4.runtime.CodePointCharStream$CodePoint8BitCharStream.getText...

libvpx:vpx_enc_fuzzer_vp9_nalloc: Use-of-uninitialized-value in vpx_variance32x32_avx2

Project: https://chromium.googlesource.com/webm/libvpx Detailed Report: https://oss-fuzz.com/testcase?key=6420255019958272 Project: libvpx Fuzzing Engine: libFuzzer Fuzz Target: vpxencfuzzervp9nalloc Job Type: libfuzzermsanlibvpx Platform Id: linux Crash Type: Use-of-uninitialized-value Crash...

libavc:svc_dec_fuzzer: Heap-buffer-overflow in isvcd_nal_byte_swap_emulation

Project: https://android.googlesource.com/platform/external/libavc https://github.com/ittiam-systems/libavc.git Detailed Report: https://oss-fuzz.com/testcase?key=5142388634091520 Project: libavc Fuzzing Engine: honggfuzz Fuzz Target: svcdecfuzzer Job Type: honggfuzzasanlibavc Platform Id: linux...

net-snmp:snmp_parse_trap2_fuzzer: Stack-buffer-overflow in tsm_process_in_msg

Detailed Report: https://oss-fuzz.com/testcase?key=4866573241483264 Project: net-snmp Fuzzing Engine: libFuzzer Fuzz Target: snmpparsetrap2fuzzer Job Type: libfuzzerasannet-snmp Platform Id: linux Crash Type: Stack-buffer-overflow READ Crash Address: 0x75884c7ac570 Crash State: tsmprocessinmsg...

OSV-2026-4 UNKNOWN READ in rb_managed_id_table_lookup

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=472871119 Crash type: UNKNOWN READ Crash state: rbmanagedidtablelookup vmlookupcc rbvmsearchmethodslowpath...

OSV-2026-2 Heap-buffer-overflow in cmt_mpack_consume_uint_tag

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=472785094 Crash type: Heap-buffer-overflow WRITE 8 Crash state: cmtmpackconsumeuinttag cmtmpackunpackarray cmtmpackunpackmap...

matio:matio_fuzzer: Heap-buffer-overflow in H5O__cont_decode

Detailed Report: https://oss-fuzz.com/testcase?key=5023155342344192 Project: matio Fuzzing Engine: afl Fuzz Target: matiofuzzer Job Type: aflasanmatio Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x7a29482e4cbf Crash State: H5Ocontdecode H5Ochunkdeserialize...

mruby:mruby_fuzzer: Heap-use-after-free in str_escape

Project: https://github.com/mruby/mruby.git Detailed Report: https://oss-fuzz.com/testcase?key=5008421289263104 Project: mruby Fuzzing Engine: afl Fuzz Target: mrubyfuzzer Job Type: aflasanmruby Platform Id: linux Crash Type: Heap-use-after-free READ 1 Crash Address: 0x7c21a35e0190 Crash State:...