CVE-2026-55407: 22x memory amplification bug in Anthropic's buffa protobuf decoder

Wednesday, July 1, 2026 at 12:59 AM UTC·Source: r/cybersecurity

Updated: Wednesday, July 1, 2026 at 03:01 PM UTC

Executive Summary

[object Object]

Analysis

[object Object]

Indicators of Compromise (1)

CVE (1)

CVE-2026-55407

NVD MITRE CVE

Source Attribution

Originally published by r/cybersecurity on Jul 1, 2026.

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