ANT-2026-BT210RQ0 · libtom/libtomcrypt · Cryptographic Logic Flaw

other critical Severity Claude critical · Security research firm - · Maintainer - REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-BT210RQ0: libtomcrypt AES-SIV: universal forgery and plaintext recovery when called without AD In src/encauth/siv/siv.c, ssivS2V and the...

ANT-2026-MEXHXGNE · supabase/supabase · SQL Injection

sql-injection high Severity Claude high · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-MEXHXGNE: Link-driven SQL injection via schema URL parameter Supabase Studio reads the ?schema= URL...

ANT-2026-3ZHWVDTX · kjur/jsrsasign · Improper Verification of Cryptographic Signature

other high Severity Claude high · Security research firm - · Maintainer - REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-3ZHWVDTX: security off-by-one DSA signature validation error; different than CVE-2026-4599,01,02 In jsrsasign's DSA verification...

ANT-2026-CM0TCREP · torvalds/linux · Use-After-Free

use-after-free high CVE-2026-43074 Severity Claude high · Security research firm - · Maintainer high REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-CM0TCREP: UAF in epgetupwardsdepthproc giving unprivileged LPE During epollctlA, EPOLLCTLADD, B, the nesting-depth check...

ANT-2026-1BCAFJCC · torvalds/linux · Use-After-Free

use-after-free high CVE-2026-31554 Severity Claude high · Security research firm - · Maintainer high REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-1BCAFJCC: futex: UAF in private-hash teardown via cross-process sysfutexrequeue leading giving LPE A process P can allocat...

ANT-2026-BTRNT5A3 · supabase/supabase · broken-access-control

broken-access-control high Severity Claude high · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-BTRNT5A3: Server action accepts client-controlled CRM backend targets submitFormAction is exporte...

ANT-2026-GEM3N3N3 · RocketChat/Rocket.Chat · NoSQL Injection

sql-injection critical CVE-2026-29198 Severity Claude critical · Security research firm - · Maintainer critical REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-GEM3N3N3: Critical vulnerability cvss 9.8: complete authentication bypass to admin permissions On Rocket.Chat...

ANT-2026-GY2SF1XW · grok · Heap-buffer-overflow

heap-buffer-overflow high Severity Claude high · 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-GY2SF1XW: Heap-buffer-overflow in...

ANT-2026-PQ3CNCCK · firecracker-microvm/firecracker · Memory Safety / Out-of-Bounds Read+Write (unsafe Rust)

oob-read high CVE-2026-5747 GHSA-776c-mpj7-jm3r Severity Claude high · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-PQ3CNCCK: Virtio-PCI queue size writable after activation enables host OOB I...

ANT-2026-SJ7ZVBQB · ffmpeg · Heap-buffer-overflow

heap-buffer-overflow medium Severity Claude high · Security research firm medium · Maintainer - Discovered by Claude Opus 4.6 REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-SJ7ZVBQB: Heap-buffer-overflow in mpeg.h:70 While...

ANT-2026-NGTJ413W · ffmpeg · heap-buffer-overflow

heap-buffer-overflow high Severity Claude high · 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-NGTJ413W: This is a genuine heap-buffer-overflow...

ANT-2026-TNDDD6NW · ffmpeg · Stack Buffer Overflow

stack-buffer-overflow high Severity Claude high · Security research firm - · Maintainer - REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-TNDDD6NW: Stack buffer overflow in mpegts.c pmtcb via multiple IOD The MPEG-TS PMT parser in libavformat/mpegts.c allocates a fixed...

ANT-2026-0Y1VS937 · ffmpeg · Heap Buffer Overflow

heap-buffer-overflow high Severity Claude high · Security research firm - · Maintainer - REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-0Y1VS937: Heap underflow in H.264 xchgmbborder via slicenum/sentinel collision In FFmpeg's H.264 decoder, slicetable h264dec.h is a...

ANT-2026-HRZEDXBB · ghostscript · Stack-buffer-overflow

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

ANT-2026-0GNNMNPS · wabt · Heap-buffer-overflow

heap-buffer-overflow critical Severity Claude critical · Security research firm critical · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-0GNNMNPS: Heap-buffer-overflow in wabt Wh...

ANT-2026-09SNWQBT · libredwg · Use-after-free

use-after-free critical Severity Claude critical · Security research firm critical · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-09SNWQBT: Use-after-free in libredwg In...

ANT-2026-M5V8FQ8Z · gdal · Heap-buffer-overflow

heap-buffer-overflow high Severity Claude high · 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-M5V8FQ8Z: Heap-buffer-overflow in jdcolor12.c:154 Whe...

ANT-2026-PVN0XWJM · ffmpeg · Heap-buffer-overflow

heap-buffer-overflow high Severity Claude high · 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-PVN0XWJM: Heap-buffer-overflow in copyblock.h:51...

ANT-2026-8QCK7K2C · gdal · heap-buffer-overflow

heap-buffer-overflow high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Sonnet 4.6 REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-8QCK7K2C: This is a genuine heap-buffer-overflow...

ANT-2026-N0ZPQQQ6 · ffmpeg · heap-buffer-overflow

heap-buffer-overflow high Severity Claude high · 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-N0ZPQQQ6: The ASAN report describes a real, plausible...

ANT-2026-BBV63KVS · ffmpeg · heap-buffer-overflow

heap-buffer-overflow high Severity Claude high · 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-BBV63KVS: Heap-buffer-overflow READ in FFmpeg APV...

ANT-2026-8E67XSC7 · ffmpeg · heap-buffer-overflow

heap-buffer-overflow high Severity Claude high · 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-2026-8E67XSC7: Heap-buffer-overflow read in FFmpeg ADPCM...

ANT-2026-4YJK1P9J · ffmpeg · Heap-buffer-overflow

heap-buffer-overflow high Severity Claude high · 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-2026-4YJK1P9J: Heap-buffer-overflow in dhav.c:286 While...

ANT-2026-0BETG8WD · poppler · heap-buffer-overflow

heap-buffer-overflow high Severity Claude high · 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-2026-0BETG8WD: Heap-buffer-overflow in...

ANT-2026-C0BW3XD3 · dlplibs · Heap-buffer-overflow

heap-buffer-overflow high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Opus 4.6 REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-C0BW3XD3: Heap-buffer-overflow in MSPUBParser.cpp:1575 When...

ANT-2026-H4RM2RMD · htslib · Out-of-Bounds Access

oob-read medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-H4RM2RMD: Out-of-bounds access in CRAM xpack/xrle...

ANT-2026-61Y3NTY3 · suricata · Use-after-free

use-after-free high CVE-2026-45752 GHSA-qmc9-vqq2-8mv3 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 Trail of Bits. ANT-2026-61Y3NTY3:...

ANT-2026-B615AQ9E · exim · off-by-one

off-by-one medium CVE-2026-40685 Severity Claude high · Security research firm high · Maintainer medium Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Calif. ANT-2026-B615AQ9E: Exim dewrap Off-By-One OOB Read → Co...

ANT-2026-G7GNYY68 · LibreOffice · Heap Buffer Overflow

heap-buffer-overflow medium CVE-2026-6045 Severity Claude high · Security research firm high · Maintainer medium Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-G7GNYY68: Heap Buffer Overflow v...

ANT-2026-8FZYKRTH · LibreOffice · Heap Buffer Overflow

heap-buffer-overflow medium CVE-2026-6039 Severity Claude high · Security research firm high · Maintainer medium Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-8FZYKRTH: Heap buffer overflow i...

ANT-2026-6X60WXT0 · LibreOffice · Use-After-Free

use-after-free medium CVE-2026-6040 Severity Claude medium · Security research firm medium · Maintainer medium Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-6X60WXT0: Heap use-after-free writ...

ANT-2026-A5580GNM · xdao · logic-error

logic-error WITHDRAWN This report was withdrawn after publication. The original commitment below remains in the ledger, and the identifying fields published before the withdrawal are kept as they were first published. Note, 2026-10-02. This page showed the full report from 2026-08-26 until...

ANT-2026-F8AZ7X04 · wireshark · global-buffer-overflow

global-buffer-overflow high Severity Claude critical · Security research firm high · Maintainer - Discovered by Claude Opus 4.6 REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-F8AZ7X04: global-buffer-overflow in wireshark In...

ANT-2026-K6DHGAYS · webkit · Heap-buffer-overflow

heap-buffer-overflow critical Severity Claude critical · Security research firm critical · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-K6DHGAYS: Heap-buffer-overflow in...

ANT-2026-7ZJGE8XJ · UPX · Heap Buffer Overflow

heap-buffer-overflow high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-7ZJGE8XJ: Heap buffer overflow in unshlib1 readx d...

ANT-2026-DVZKVAV1 · Suricata · Use-After-Free

use-after-free medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-DVZKVAV1: Heap use-after-free write in YAML...

ANT-2026-1MRWDJYC · Simd · Integer Underflow

integer-underflow high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-1MRWDJYC: Integer underflow in AVX2 BgraToBgr causing...

ANT-2026-SBF8X04Q · SELinux · Type Confusion

type-confusion medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-SBF8X04Q: Type confusion in CIL sensitivity alias...

ANT-2026-K2T27KG9 · SELinux · Stack Buffer Overflow

stack-buffer-overflow medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-K2T27KG9: Stack buffer overflow in libsepol...

ANT-2026-49KSKQPG · SELinux · Heap Buffer Overflow

heap-buffer-overflow low Severity Claude low · Security research firm low · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-49KSKQPG: Heap buffer overflow in libsepol mapebitmap...

ANT-2026-ZYEZKB5Y · OpenSC · Stack Buffer Overflow

stack-buffer-overflow medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-ZYEZKB5Y: Stack buffer overflow in...

ANT-2026-DD4RKCBA · OpenSC · Stack Buffer Overflow

stack-buffer-overflow medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-DD4RKCBA: Stack buffer overflow in...

ANT-2026-2BX2DMM1 · OpenSC · Stack Buffer Overflow

stack-buffer-overflow medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-2BX2DMM1: Stack buffer overflow in...

ANT-2026-KRKYEBGE · nftables · write-primitive

other high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Opus 4.6 REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-KRKYEBGE: write-primitive in nftables In jsonparsemapstmt, the parser...

ANT-2026-3T6Q6WE9 · mpv · Heap Buffer Overflow

heap-buffer-overflow low Severity Claude low · Security research firm low · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-3T6Q6WE9: Integer overflow in scaletempo audio filter...

ANT-2026-WG9N02WM · libjxl · Heap Buffer Overflow

heap-buffer-overflow medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-WG9N02WM: Heap buffer overflow in fast...

ANT-2026-3CJT2BP4 · libjxl · Heap Buffer Overflow

heap-buffer-overflow high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-3CJT2BP4: Heap buffer overflow in JPEG...

ANT-2026-R8N72JR9 · libarchive · Heap Buffer Overflow

heap-buffer-overflow medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-R8N72JR9: Off-by-one heap buffer overflow in...

ANT-2026-H94NCB56 · Leptonica · Heap Buffer Underflow

heap-buffer-overflow medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-H94NCB56: Heap buffer underflow in...

ANT-2026-3JR8RVFB · Leptonica · Heap Buffer Underflow

heap-buffer-overflow medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-3JR8RVFB: Heap buffer underwrite via negativ...