Withdrawn Advisory: Protobuf: Denial of Service issue through malicious messages containing negative varints or deep recursion

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-p2gh-cfq4-4wjc. This link is maintained to preserve external references. Original Description A Denial of Service DoS vulnerability exists in the Protobuf PHP library during the parsing of untrusted input...

GHSA-QJFJ-3MM5-VRJG Withdrawn Advisory: Protobuf: Denial of Service issue through malicious messages containing negative varints or deep recursion

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-p2gh-cfq4-4wjc. This link is maintained to preserve external references. Original Description A Denial of Service DoS vulnerability exists in the Protobuf PHP library during the parsing of untrusted input...

EUVD-2026-23268

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...

CVE-2026-6409

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...

CVE-2026-6409 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...

CVE-2026-6409

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...

CVE-2026-6409 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...

CVE-2026-6409

CVE-2026-6409 is a DoS in the Protobuf PHP library during parsing of untrusted input. Maliciously structured messages—specifically those with negative varints or deep recursion—can crash the application, affecting service availability. Connected sources confirm the vulnerability and its impact on...

Linux Distros Unpatched Vulnerability : CVE-2026-6409

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A Denial of Service DoS vulnerability exists in the Protobuf PHP library during the parsing of untrusted input. Maliciously structured messagesspecifically thos...

Protobuf: Denial of Service issue through malicious messages containing negative varints or deep recursion

Impact 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. Patches...

GHSA-P2GH-CFQ4-4WJC Protobuf: Denial of Service issue through malicious messages containing negative varints or deep recursion

Impact 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. Patches...

PT-2026-33338

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...