Heap-Based Buffer Overflow in Protobuf Package

protobuf Updated 02 Oct 2025

Summary

25/09/2017
N/A
No i
Unrated
Not published

DEBIAN-CVE-2015-5237: protobuf allows remote authenticated attackers to cause a heap-based buffer overflow. Affects protobuf versions 3.12.4-1 – 4.0.0~rc2-1. No fix is published. How to fix ↓

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Background

The Protobuf (Protocol Buffers) package is a language-agnostic serialization library developed by Google, widely used for data interchange between applications. It allows developers to define data structures in a simple language and automatically generates code for various programming languages. However, certain versions of Protobuf are vulnerable to a heap-based buffer overflow, which can be exploited by remote authenticated attackers.

Vulnerability Detail

The vulnerability identified as CVE-2015-5237 allows remote authenticated attackers to exploit a heap-based buffer overflow in the Protobuf package. This issue arises from improper handling of input data, which can lead to memory corruption and potentially allow attackers to execute arbitrary code. The vulnerability affects multiple versions of the Protobuf package across various Debian releases, making it critical for users to address it promptly.

How To Fix

No fixed version is published for this vulnerability.

To rectify the vulnerability, users should update the Protobuf package to the latest patched version available in their Debian repositories. This can be done by running the following command in the terminal:

sudo apt-get update && sudo apt-get install protobuf

Ensure that your system is connected to the internet to fetch the latest updates.

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Workaround

As a temporary workaround, users can limit access to the Protobuf service to trusted users only, thereby reducing the risk of exploitation until the package is updated.

Conclusion

The CVE-2015-5237 vulnerability in the Protobuf package poses a significant risk due to its potential for exploitation via heap-based buffer overflow. Users are encouraged to update their packages promptly and consider temporary workarounds to mitigate risks until updates can be applied.

See every vulnerability recorded for protobuf →

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FAQ

CVE-2015-5237 is a vulnerability in the Protobuf package that allows remote authenticated attackers to cause a heap-based buffer overflow.

You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.

Exploitation of this vulnerability can lead to memory corruption, allowing attackers to execute arbitrary code, which may compromise the security of the affected system.

Yes, users are advised to update their Protobuf package to the latest version available in the Debian repositories to mitigate this vulnerability.

If immediate updates are not possible, consider restricting access to the Protobuf service to trusted users only as a temporary measure.

Related vulnerabilities

Recent vulnerabilities recorded for protobuf.

How To Fix

No fixed version is published for this vulnerability.

To rectify the vulnerability, users should update the Protobuf package to the latest patched version available in their Debian repositories. This can be done by running the following command in the terminal:

sudo apt-get update && sudo apt-get install protobuf

Ensure that your system is connected to the internet to fetch the latest updates.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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