How many CVEs does protocolbuffers have?

protocolbuffers has 14 published CVE records since 2017, including 3 in the last two years.

How many protocolbuffers CVEs are in CISA KEV?

None of protocolbuffers's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

Which protocolbuffers products have the most CVEs?

The protocolbuffers products with the most published CVEs are protobuf, com.google.protobuf:protobuf-java, com.google.protobuf:protobuf-javalite, google-protobuf, com.google.protobuf:protobuf-kotlin.

What are the most common weakness types in protocolbuffers CVEs?

protocolbuffers's CVEs most often map to these CWE weakness types: CWE-400 (Uncontrolled Resource Consumption), CWE-674 (Uncontrolled Recursion), CWE-20 (Improper Input Validation), CWE-696 (Incorrect Behavior Order).

Are there public exploits for protocolbuffers vulnerabilities?

Yes — 1 of protocolbuffers's CVEs have a known public exploit.

How many critical protocolbuffers vulnerabilities are there?

protocolbuffers has 1 critical and 11 high-severity CVEs.

What is the average severity of protocolbuffers CVEs?

The average CVSS base score across protocolbuffers's scored CVEs is 7.8.

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14 CVEs

protocolbuffers Vulnerabilities

Name: protocolbuffers vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for protocolbuffers.

14

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

1

Public exploits

PoC or exploit code

7.8

Avg CVSS

2017–2026

Overview

protocolbuffers has 14 published CVE records since 2017, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 1 have a known public exploit. The average CVSS base score across scored CVEs is 7.8.

This page aggregates every publicly disclosed vulnerability (CVE) affecting protocolbuffers products, with severity breakdowns, the most-affected products, the most common weakness types, and the latest disclosures.

Security scorecard

A quick read on protocolbuffers's vulnerability posture, as a share of its 14 published CVEs.

Average CVSS: 7.8
Critical / high: 86%
Actively exploited (KEV): 0%
Public exploit available: 7%
Patch available: 100%

Severity and exploitation

How the CVSS severity of protocolbuffers's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical1

High11

Medium2

Low0

In CISA’s Known Exploited Vulnerabilities catalog

0

None of protocolbuffers's CVEs are currently listed in CISA's KEV catalog.

Public exploits

1

One of protocolbuffers's CVEs has a known public exploit available.

Most affected products

The protocolbuffers products with the most published CVEs. Follow any product to browse its versions and vulnerabilities.

Common weakness types

The CWE weakness categories most often found in protocolbuffers CVEs. Follow any weakness for its full explanation.

CNAs that assign these CVEs

The CVE Numbering Authorities that publish protocolbuffers CVE records.

Disclosure activity by year

How many protocolbuffers CVEs were published each year.

2017

1

2022

6

2023

1

2024

3

2025

1

2026

2

Latest protocolbuffers CVEs

The most recently disclosed vulnerabilities affecting protocolbuffers.

Denial of Service (DoS) vulnerability exists in the Protobuf PHP library during the parsing of untrusted input
CWE-20
High · CVSS 7.1
EPSS 0.4%2026-04-16
Denial of Service in Python Protobuf
CWE-674
High · CVSS 8.2
EPSS 0.7%2026-01-23
Unbounded recursion in Python Protobuf
CWE-674
High · CVSS 8.2
EPSS 0.3%2025-06-16
Stack overflow in Protocol Buffers Java Lite
CWE-400
High · CVSS 8.7
EPSS 2.8%2024-09-19
Critical vulnerability · 2024-05-03
CWE-416
Critical · CVSS 9.8
EPSS 0.3%2024-05-03
Medium vulnerability · 2024-03-05
Medium · CVSS 6.6
EPSS 1.3%2024-03-05
High vulnerability · 2023-06-08
High · CVSS 7.5
EPSS 1.1%2023-06-08
High vulnerability · 2022-11-11
CWE-400
High · CVSS 7.5
EPSS 0.7%2022-11-11
High vulnerability · 2022-11-01
CWE-400
High · CVSS 7.5
EPSS 0.8%2022-11-01
High vulnerability · 2022-10-12
CWE-20
High · CVSS 7.5
EPSS 1.1%2022-10-12
High vulnerability · 2022-09-22
CWE-1286
High · CVSS 7.5
EPSS 1.2%2022-09-22
Medium vulnerability · 2022-01-26
CWE-476
Medium · CVSS 6.5
EPSS 2.7%2022-01-26

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Other vendors

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Frequently asked questions

Common questions about protocolbuffers vulnerabilities.

How many CVEs does protocolbuffers have?: protocolbuffers has 14 published CVE records since 2017, including 3 in the last two years.
How many protocolbuffers CVEs are in CISA KEV?: None of protocolbuffers's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which protocolbuffers products have the most CVEs?: The protocolbuffers products with the most published CVEs are protobuf, com.google.protobuf:protobuf-java, com.google.protobuf:protobuf-javalite, google-protobuf, com.google.protobuf:protobuf-kotlin.
What are the most common weakness types in protocolbuffers CVEs?: protocolbuffers's CVEs most often map to these CWE weakness types: CWE-400 (Uncontrolled Resource Consumption), CWE-674 (Uncontrolled Recursion), CWE-20 (Improper Input Validation), CWE-696 (Incorrect Behavior Order).
Are there public exploits for protocolbuffers vulnerabilities?: Yes — 1 of protocolbuffers's CVEs have a known public exploit.
How many critical protocolbuffers vulnerabilities are there?: protocolbuffers has 1 critical and 11 high-severity CVEs.
What is the average severity of protocolbuffers CVEs?: The average CVSS base score across protocolbuffers's scored CVEs is 7.8.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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