A zero-day memory amplification denial-of-service (DoS) vulnerability has been discovered in Anthropic's Rust-based protobuf library, buffa. Identified as CVE-2026-55407, the flaw allows attackers to exploit…
3 articles · Updated July 1, 2026
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Endor Labs' AI SAST Finds Zero Day Memory-Amplification DoS in Anthropic's buffa library— Endorlabs · June 30, 2026