CVE Intelligence

Protocol Buffers Protobuf-php (Pecl) vulnerabilities

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Published CVEs affecting Protocol Buffers Protobuf-php (Pecl): 1 record(s), with affected versions and fixes.

CVE-2026-6409 High · 7.1 CWE-20 Apr 16, 2026
Denial of Service (DoS) vulnerability exists in the Protobuf PHP library during the parsing of untrusted input
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.