ANT-2026-BDHSQ5GE · hunspell · Stack-buffer-overflow

stack-buffer-overflow high Severity Claude critical · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-BDHSQ5GE: Stack-buffer-overflow in hunspell...

hunspell:affdicfuzzer: Use-of-uninitialized-value in HunspellImpl::suggest_internal

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=5171485462560768 Project: hunspell Fuzzing Engine: libFuzzer Fuzz Target: affdicfuzzer Job Type: libfuzzermsanhunspell Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Cras...

hunspell:affdicfuzzer: Heap-double-free in HashMgr::free_table

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=5627151457255424 Project: hunspell Fuzzing Engine: honggfuzz Fuzz Target: affdicfuzzer Job Type: honggfuzzasanhunspell Platform Id: linux Crash Type: Heap-double-free Crash Address: 0x75ba225e0140...

hunspell:affdicfuzzer: Container-overflow in u16_u8

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=5531568579084288 Project: hunspell Fuzzing Engine: afl Fuzz Target: affdicfuzzer Job Type: aflasanhunspell Platform Id: linux Crash Type: Container-overflow READ 1 Crash Address: 0x79a23d6e019f...

hunspell:affdicfuzzer: Heap-buffer-overflow in u16_u8

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=5172088943214592 Project: hunspell Fuzzing Engine: afl Fuzz Target: affdicfuzzer Job Type: aflasanhunspell Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x76d289fe00fb...

hunspell:affdicfuzzer: Heap-buffer-overflow in u16_u8

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=4637247000608768 Project: hunspell Fuzzing Engine: libFuzzer Fuzz Target: affdicfuzzer Job Type: libfuzzerasanhunspell Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address:...

hunspell:affdicfuzzer: Container-overflow in u16_u8

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=4603217974722560 Project: hunspell Fuzzing Engine: afl Fuzz Target: affdicfuzzer Job Type: aflasanhunspell Platform Id: linux Crash Type: Container-overflow READ 1 Crash Address: 0x7bfe888e0d73...

hunspell:affdicfuzzer: Heap-buffer-overflow in AffixMgr::compound_check

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=6507738394656768 Project: hunspell Fuzzing Engine: libFuzzer Fuzz Target: affdicfuzzer Job Type: libfuzzerasanhunspell Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address:...

hunspell:affdicfuzzer: Heap-double-free in HashMgr::~HashMgr

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=5155904311132160 Project: hunspell Fuzzing Engine: libFuzzer Fuzz Target: affdicfuzzer Job Type: libfuzzerasanhunspell Platform Id: linux Crash Type: Heap-double-free Crash Address: 0x6020000000d0...

hunspell:affdicfuzzer: Heap-double-free in HashMgr::~HashMgr

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=6668957611589632 Project: hunspell Fuzzing Engine: libFuzzer Fuzz Target: affdicfuzzer Job Type: libfuzzerasanhunspell Platform Id: linux Crash Type: Heap-double-free Crash Address: 0x6020000000b0...

hunspell:affdicfuzzer: Heap-use-after-free in HashMgr::add_word

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=4826079711068160 Project: hunspell Fuzzing Engine: libFuzzer Fuzz Target: affdicfuzzer Job Type: libfuzzerasanhunspell Platform Id: linux Crash Type: Heap-use-after-free READ 2 Crash Address:...

hunspell:affdicfuzzer: Stack-buffer-overflow in AffixMgr::compound_check

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=5461245765746688 Project: hunspell Fuzzing Engine: afl Fuzz Target: affdicfuzzer Job Type: aflasanhunspell Platform Id: linux Crash Type: Stack-buffer-overflow READ 1 Crash Address: 0x7f611757df38...

hunspell:affdicfuzzer: Use-of-uninitialized-value in AffixMgr::cpdpat_check

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=6429122996076544 Project: hunspell Fuzzing Engine: libFuzzer Fuzz Target: affdicfuzzer Job Type: libfuzzermsanhunspell Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Cras...

hunspell:affdicfuzzer: Heap-buffer-overflow in AffixMgr::cpdcase_check

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=5305892952473600 Project: hunspell Fuzzing Engine: afl Fuzz Target: affdicfuzzer Job Type: aflasanhunspell Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x60b00040d190...

hunspell:affdicfuzzer: Heap-buffer-overflow in AffixMgr::cpdpat_check

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=6319707827601408 Project: hunspell Fuzzing Engine: libFuzzer Fuzz Target: affdicfuzzer Job Type: libfuzzerasani386hunspell Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address:...

hunspell:affdicfuzzer: Heap-buffer-overflow in AffixMgr::suffix_check

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=5221495601496064 Project: hunspell Fuzzing Engine: libFuzzer Fuzz Target: affdicfuzzer Job Type: libfuzzerasani386hunspell Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address:...

hunspell:affdicfuzzer: Stack-buffer-overflow in AffixMgr::suffix_check

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=4832068073029632 Project: hunspell Fuzzing Engine: afl Fuzz Target: affdicfuzzer Job Type: aflasanhunspell Platform Id: linux Crash Type: Stack-buffer-overflow READ 1 Crash Address: 0x7f0a1c290258...

hunspell:affdicfuzzer: Heap-buffer-overflow in AffixMgr::compound_check

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=6256247108403200 Project: hunspell Fuzzing Engine: libFuzzer Fuzz Target: affdicfuzzer Job Type: libfuzzerasani386hunspell Platform Id: linux Crash Type: Heap-buffer-overflow READ 16 Crash Address...

hunspell:affdicfuzzer: Heap-buffer-overflow in SuggestMgr::ngsuggest

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=6456475338014720 Project: hunspell Fuzzing Engine: libFuzzer Fuzz Target: affdicfuzzer Job Type: libfuzzerasani386hunspell Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address:...

hunspell:affdicfuzzer: Heap-buffer-overflow in AffixMgr::compound_check

Project: https://github.com/hunspell/hunspell.git Detailed Report: https://oss-fuzz.com/testcase?key=6179451155382272 Project: hunspell Fuzzing Engine: libFuzzer Fuzz Target: affdicfuzzer Job Type: libfuzzerasanhunspell Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address:...