CVE-2026-6409

ADVISORY - nist

Summary

A Denial of Service (DoS) vulnerability exists in the Protobuf PHP library during the parsing of untrusted input. Maliciously structured messages—specifically those containing negative varints or deep recursion—can be used to crash the application, impacting service availability.

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-20⁠

Improper Input Validation

Impacted images

Advisories

Sign in to Docker Scout

See which of your images are affected by this CVE and how to fix them by signing into Docker Scout.