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...

Astra Linux – Vulnerability in protobuf

A parsing vulnerability exists for the MessageSet type in ProtocolBuffers versions prior to and including 3.16.1, 3.17.3, 3.18.2, 3.19.4, 3.20.1, and 3.21.5 for protobuf-cpp, and versions prior to and including 3.16.1, 3.17.3, 3.18.2, 3.19.4, 3.20.1, and 4.21.5 for protobuf-python. A specially...

NPM: protobuf.js: Denial of service through unbounded protobuf recursion

NPM: protobuf.js: Denial of service through unbounded protobuf recursion vulnerability discovered by ? in WordPress Npm protobufjs versions = 7.5.5...

GHSA-QJFJ-3MM5-VRJG Withdrawn Advisory: Protobuf: Denial of Service issue through malicious messages containing negative varints or deep recursion

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-p2gh-cfq4-4wjc.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...

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

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

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...

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...

Security Bulletin: IBM Maximo Application Suite uses pyasn1-0.6.1, protobuf-6.33.4-cp39-abi3-manylinux2014_x86_64, urllib3-2.5.0-py3-none-any, database/sql 1.24.4 and weasyprint-67.0-py3-none-any.

Summary Security Bulletin: IBM Maximo Application Suite uses pyasn1-0.6.1, protobuf-6.33.4-cp39-abi3-manylinux2014x8664, urllib3-2.5.0-py3-none-any, database/sql 1.24.4 and weasyprint-67.0-py3-none-any which is vulnerable to CVE-2026-23490, CVE-2026-0994, CVE-2025-66418, CVE-2025-66471,...

RHSA-2026:3097 Red Hat Security Advisory: protobuf security update

Bulletin has no description...

CLSA-2025-1757017511 protobuf: Fix of CVE-2024-7254

CVE-2024-7254: prevent stack overflow by limiting recursion depth when parsing nested Protocol Buffers data...

AZL-64145 CVE-2025-4565 affecting package protobuf for versions less than 25.3-5

Any project that uses Protobuf Pure-Python backend to parse untrusted Protocol Buffers data containing an arbitrary number of recursive groups, recursive messages or a series of SGROUP tags can be corrupted by exceeding the Python recursion limit. This can result in a Denial of service by crashin...

Infinite loop in JSON unmarshaling in google.golang.org/protobuf

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SUSE CVE-2023-36665

"protobuf.js aka protobufjs 6.10.0 through 7.x before 7.2.5 allows Prototype Pollution, a different vulnerability than CVE-2022-25878. A user-controlled protobuf message can be used by an attacker to pollute the prototype of Object.prototype by adding and overwriting its data and functions...

CVE-2023-36665

"protobuf.js aka protobufjs 6.10.0 through 7.x before 7.2.5 allows Prototype Pollution, a different vulnerability than CVE-2022-25878. A user-controlled protobuf message can be used by an attacker to pollute the prototype of Object.prototype by adding and overwriting its data and functions...

SUSE CVE-2022-48468

protobuf-c before 1.4.1 has an unsigned integer overflow in parserequiredmember...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS via the MessageSet type, by allowing an attacker to send specially crafted message with multiple key-value per elements, therefore creating parsing issues against services which receive unsanitized input. Details...