CVE-2026-6409 (GCVE-0-2026-6409)
Vulnerability from cvelistv5
Published
2026-04-16 14:30
Modified
2026-04-16 15:24
CWE
  • CWE-20 - Improper input validation
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.
Impacted products
Vendor Product Version
Protocol Buffers Protobuf-php (Pecl) Version: 0   
Version: 0   
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Show details on NVD website


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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