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CVE-2015-5237 — Vulnerability in Google.Protobuf — CVE Details

HIGH

protobuf susceptible to buffer overflow

Published May 13, 2022Updated July 9, 2026Source: osv

Summary

protobuf allows remote authenticated attackers to cause a heap-based buffer overflow.

Advisory Timeline

  • First published May 13, 2022 (1613 days ago).
  • Last revised July 9, 2026 — 1519 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

NuGet
Update Google.Protobuf to 3.4.0 or later
dotnet add package Google.Protobuf --version 3.4.0
pip
Update protobuf to 3.4.0 or later
pip install "protobuf>=3.4.0"
Maven
Update com.google.protobuf:protobuf-parent to 3.4.0 or later
<!-- Update pom.xml dependency version to 3.4.0 for com.google.protobuf:protobuf-parent -->
Composer
Update google/protobuf to 3.4.0 or later
composer require "google/protobuf:^3.4.0"
Go
Update github.com/protocolbuffers/protobuf to 3.4.0 or later
go get github.com/protocolbuffers/protobuf@v3.4.0

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (5)

Affects 5 ecosystems: go (1), maven (1), nuget (1), packagist (1), pypi (1).

PackageEcosystemAffectedFixed In
Google.Protobuf
nuget
0.0.1-test1, 3.0.0, 3.0.0-alpha4, 3.0.0-beta2 (+7 more)3.4.0
protobuf
pypi
2.0.0beta, 2.0.3, 2.3.0, 2.4.1 (+21 more)3.4.0
com.google.protobuf:protobuf-parent
maven
3.0.0, 3.0.0-beta-3, 3.0.0-beta-4, 3.0.2 (+6 more)3.4.0
google/protobuf
packagist
v3.1.0-alpha-1, v3.2.0-alpha-1, v3.3.0, v3.3.0rc1 (+5 more)3.4.0
github.com/protocolbuffers/protobuf
go
All versions3.4.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-787
    Out-of-bounds WriteMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2015-5237?
protobuf susceptible to buffer overflow This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.8/10).
How do I check if my project is affected by CVE-2015-5237?
CVE-2015-5237 affects Google.Protobuf, protobuf and com.google.protobuf:protobuf-parent (and 2 more). Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2015-5237 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.8

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-jwvw-v7c5-m82h
PYSEC-2017-65

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