PT-2026-33338 · Google+1 · Protobuf-Php+1
CVE-2026-6409
·
Published
2025-12-30
·
Updated
2026-08-10
CVSS v2.0
7.8
High
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
Protobuf PHP versions prior to 5.34.0-RC1
Protobuf PHP versions prior to 4.33.6
Description
A Denial of Service (DoS) issue exists during the parsing of untrusted input. Maliciously structured messages, specifically those containing negative
varints or deep recursion, can cause the application to crash, which impacts service availability.Recommendations
Update to version 5.34.0-RC1.
Update to version 4.33.6.
Exploit
Fix
DoS
Resource Exhaustion
RCE
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Related Identifiers
Affected Products
Protobuf-Php
Red Os