PYSEC-2026-2787 Open Babel has uninitialized pointer dereference in GRO residue parser

Summary A memory-safety vulnerability in Open Babel's GRO parser caused an uninitialized pointer dereference when reading a crafted input file. Details The flaw was in the residue handling of the GRO reader. A malformed record caused the parser to use a residue pointer that had never been...

Open Babel has uninitialized pointer dereference in PQS pFormat

SummaryA memory-safety vulnerability in Open Babel's PQS parser caused anuninitialized pointer dereference when reading a crafted input file. DetailsThe flaw was in the pFormat handling of the PQS reader. A malformedinput caused the parser to dereference a format pointer that hadnever been...

Open Babel has Use-after-free in GAMESS GAMESSOutputFormat::ReadMolecule

SummaryA memory-safety vulnerability in Open Babel's GAMESS output parsercaused a use-after-free when reading a crafted input file. DetailsThe flaw was in GAMESSOutputFormat::ReadMolecule. A malformed inputcaused the parser to dereference a stale pointer after the underlyingobject had been freed...

PYSEC-2026-2791 Open Babel has a NULL pointer dereference in CDXML OBAtom::GetExplicitValence

Summary A memory-safety vulnerability in Open Babel's CDXML file format parser caused a NULL pointer dereference when reading a crafted input file. Details The flaw was in OBAtom::GetExplicitValence as called from the CDXML parser. A malformed fragment caused the parser to invoke the method on a...

PYSEC-2026-2789 Open Babel has Use-after-free in GAMESS GAMESSOutputFormat::ReadMolecule

Summary A memory-safety vulnerability in Open Babel's GAMESS output parser caused a use-after-free when reading a crafted input file. Details The flaw was in GAMESSOutputFormat::ReadMolecule. A malformed input caused the parser to dereference a stale pointer after the underlying object had been...

Open Babel has out-of-bounds write in MSI translationVectors[]

Summary A memory-safety vulnerability in Open Babel's MSI parser allowed an out-of-bounds write into the translationVectors array when reading a crafted input file. Details The MSI reader stored cell translation vectors into a fixed-size translationVectors array. A malformed input could push more...

Open Babel has out-of-bounds write in MOL2 attribute/value parser

Summary A memory-safety vulnerability in Open Babel's MOL2 parser allowed an out-of-bounds write when reading a crafted input file. Details The flaw was in the attribute/value parsing path of the MOL2 reader. An over-long attribute or value caused the parser to write past the end of a fixed-size...

PT-2026-55145

Summary A memory-safety vulnerability in Open Babel's GRO parser caused an uninitialized pointer dereference when reading a crafted input file. Details The flaw was in the residue handling of the GRO reader. A malformed record caused the parser to use a residue pointer that had never been...

checkstyle:CheckstyleFuzzer: Security exception in com.puppycrawl.tools.checkstyle.grammar.java.JavaLanguageParser.expr

Detailed Report: https://oss-fuzz.com/testcase?key=4575214116864000 Project: checkstyle Fuzzing Engine: libFuzzer Fuzz Target: CheckstyleFuzzer Job Type: libfuzzerasancheckstyle Platform Id: linux Crash Type: Security exception Crash Address: Crash State:...

wireshark:fuzzshark_ip_proto-udp: Heap-buffer-overflow in get_utf_8_string

Project: https://code.wireshark.org/review/wireshark https://gitlab.com/wireshark/wireshark.git Detailed Report: https://oss-fuzz.com/testcase?key=5647364243456000 Project: wireshark Fuzzing Engine: libFuzzer Fuzz Target: fuzzsharkipproto-udp Job Type: libfuzzerasanwireshark Platform Id: linux...

dlplibs:key6fuzzer: Segv on unknown address in std::__1::deque<std::__1::deque<boost::variant<libetonyek::MoveTo, libetonyek::L

Detailed Report: https://oss-fuzz.com/testcase?key=5068676089511936 Project: dlplibs Fuzzing Engine: afl Fuzz Target: key6fuzzer Job Type: aflasandlplibs Platform Id: linux Crash Type: Segv on unknown address Crash Address: Crash State: std::1::dequestd::1::dequeboost::variantlibetonyek::MoveTo,...