ANT-2026-GACTPNVK · wireshark/wireshark · Use-After-Return / Memory Corruption

other low CVE-2026-76890 Severity Claude high · Security research firm high · Maintainer low Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-GACTPNVK: sharkd iograph error path leaks stack-arra...