harfbuzz:hb-subset-fuzzer: Heap-use-after-free in graph::LigatureSubstFormat1::shrink

Project: https://github.com/harfbuzz/harfbuzz.git Detailed Report: https://oss-fuzz.com/testcase?key=6005602106277888 Project: harfbuzz Fuzzing Engine: libFuzzer Fuzz Target: hb-subset-fuzzer Job Type: libfuzzerasanharfbuzz Platform Id: linux Crash Type: Heap-use-after-free READ 8 Crash Address:...

OSV-2018-82 Heap-buffer-overflow in OT::LigatureSubstFormat1::closure

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10081 Crash type: Heap-buffer-overflow READ 8 Crash state: OT::LigatureSubstFormat1::closure hbvoidt const OT::hbclosurecontextt::dispatch OT::hbclosurecontextt::returnt OT::LigatureSubst::dispatchOT::hbclosureco...

PT-2021-27635

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided description. Description: A heap-buffer-overflow READ 8 crash has been reported. The crash involves the OT::LigatureSubstFormat1::closure and OT::hb closure context t::dispatch...

harfbuzz/hb-subset-fuzzer: Heap-buffer-overflow in OT::LigatureSubstFormat1::closure

Project: https://github.com/harfbuzz/harfbuzz.git Detailed report: https://oss-fuzz.com/testcase?key=5651059347816448 Project: harfbuzz Fuzzer: aflharfbuzzhb-subset-fuzzer Fuzz target binary: hb-subset-fuzzer Job Type: aflasanharfbuzz Platform Id: linux Crash Type: Heap-buffer-overflow READ 8 Cra...