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...