cvedb.io
CVE-2026-6409
UNKNOWN · CVSS n/a
EPSS exploitation probability: 0%
Published 2026-04-16T15:17:41.910 · Last modified 2026-06-17T11:00:47.750

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.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.