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1 vulnerability found for by Protocol Buffers
CVE-2026-6409 (GCVE-0-2026-6409)
Vulnerability from cvelistv5
Published
2026-04-16 14:30
Modified
2026-04-16 15:24
Severity ?
VLAI Severity ?
EPSS score ?
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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Protocol Buffers | Protobuf-php (Pecl) |
Version: 0 ≤ Version: 0 ≤ |
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