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CVE-2022-3171

25
FAUCET Score

CVE-2022-3171 is a denial-of-service vulnerability affecting protobuf-java core and lite versions prior to 3.21.7, 3.20.3, 3.19.6, and 3.16.3, impacting products from fedoraproject and google. The vulnerability stems from a parsing issue with binary data where specific input can cause excessive object conversions, leading to long garbage collection pauses. Rated with a CVSS score of 7.5 (HIGH), this vulnerability is remotely exploitable with low attack complexity, requiring no user interaction, and primarily impacts availability. There is currently no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.16.3CPE matchmatch criteria
cpe:2.3:a:google:google-protobuf:*:*:*:*:*:ruby:*:*
>= 3.17.0, < 3.19.6CPE matchmatch criteria
cpe:2.3:a:google:google-protobuf:*:*:*:*:*:ruby:*:*
>= 3.20.0, < 3.20.3CPE matchmatch criteria
cpe:2.3:a:google:google-protobuf:*:*:*:*:*:ruby:*:*
>= 3.21.0, < 3.21.7CPE matchmatch criteria
cpe:2.3:a:google:google-protobuf:*:*:*:*:*:ruby:*:*
< 3.16.3CPE matchmatch criteria
cpe:2.3:a:google:protobuf-java:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.10%
Probability of exploitation in next 30 days
EPSS Percentile
62.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0110 is in the 40th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (32)

jfrogpatch availablevia llm_extracted
Fixed in: ['5.3.0', '5.2.1']
mavenpatch availablevia ghsa
Product: com.google.protobuf:protobuf-kotlinFixed in: 3.21.7
mavenpatch availablevia ghsa
Product: com.google.protobuf:protobuf-javaliteFixed in: 3.21.7
mavenpatch availablevia ghsa
Product: com.google.protobuf:protobuf-kotlin-liteFixed in: 3.21.7
mavenpatch availablevia ghsa
Product: com.google.protobuf:protobuf-javaFixed in: 3.20.3
mavenpatch availablevia ghsa
Product: com.google.protobuf:protobuf-javaFixed in: 3.19.6
mavenpatch availablevia ghsa
Product: com.google.protobuf:protobuf-javaFixed in: 3.16.3
mavenpatch availablevia ghsa
Product: com.google.protobuf:protobuf-kotlinFixed in: 3.20.3
mavenpatch availablevia ghsa
Product: com.google.protobuf:protobuf-kotlinFixed in: 3.19.6
mavenpatch availablevia ghsa
Product: com.google.protobuf:protobuf-kotlinFixed in: 3.16.3
mavenpatch availablevia ghsa
Product: com.google.protobuf:protobuf-javaFixed in: 3.21.7
mavenpatch availablevia ghsa
Product: com.google.protobuf:protobuf-javaliteFixed in: 3.20.3
mavenpatch availablevia ghsa
Product: com.google.protobuf:protobuf-javaliteFixed in: 3.19.6
mavenpatch availablevia ghsa
Product: com.google.protobuf:protobuf-javaliteFixed in: 3.16.3
mavenpatch availablevia ghsa
Product: com.google.protobuf:protobuf-kotlin-liteFixed in: 3.20.3
mavenpatch availablevia ghsa
Product: com.google.protobuf:protobuf-kotlin-liteFixed in: 3.19.6
mavenpatch availablevia ghsa
Product: com.google.protobuf:protobuf-kotlin-liteFixed in: 3.16.3
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 2.16.2-2
microsoftpatch availablevia msrc
Product: azl3 python-tensorboard 2.16.2-2 on Azure Linux 3.0Fixed in: 2.16.2-2
microsoftpatch availablevia msrc
Product: azl3 python-tensorboard 2.11.0-3 on Azure Linux 3.0Fixed in: 2.16.2-2
microsoftpatch availablevia msrc
Product: 17021-17084Fixed in: 2.16.2-2
microsoftpatch availablevia msrc
Product: 19696-17084Fixed in: 2.16.2-2
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 2.16.2-2
redhatpatch availablevia redhat_api
Product: RHPAM 7.13.4 asyncFixed in: protobuf-java
View patch
redhatpatch availablevia redhat_api
Product: Red Hat AMQ Streams 2.7.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat build of Quarkus 2.13.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat build of Quarkus 2.7.7Fixed in: protobuf-java
View patch
redhatpatch availablevia redhat_api
Product: RHINT Debezium 1.9.7Fixed in: protobuf-java
View patch
rubygemspatch availablevia ghsa
Product: google-protobufFixed in: 3.16.3
rubygemspatch availablevia ghsa
Product: google-protobufFixed in: 3.21.7
rubygemspatch availablevia ghsa
Product: google-protobufFixed in: 3.20.3
rubygemspatch availablevia ghsa
Product: google-protobufFixed in: 3.19.6

Vendor Advisories (5)

microsoft2024-Sep/CVE-2022-3171

CVE-2022-3171

Sep 10, 2024
jfrogllm-jfrog-94f97fa61545a4bcHIGH

Splunk User Behavior Analytics (UBA) Third-Party Package Updates

Jan 9, 2024
redhatCVE-2022-3171Moderate

protobuf-java: timeout in parser leads to DoS

Oct 12, 2022
microsoft2022-Oct/CVE-2022-3171Important

Memory handling vulnerability in ProtocolBuffers Java core and lite

Oct 11, 2022
mavenGHSA-h4h5-3hr4-j3g2medium

protobuf-java has a potential Denial of Service issue

Oct 4, 2022

References

github.com / protocolbuffers/protobuf/security/advisories/GHSA-h4h5-3hr4-j3g2
Third Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/CBAUKJQL6O4TIWYBENORSY5P43TVB4M3
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/MPCGUT3T5L6C3IDWUPSUO22QDCGQKTOP
security.gentoo.org / glsa/202301-09
Third Party Advisory