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CVE-2022-34917

26
FAUCET Score

CVE-2022-34917 is a denial-of-service vulnerability in Apache Kafka, affecting all versions since 2.8.0. Unauthenticated clients can exploit this by allocating excessive memory on brokers, leading to OutOfMemoryExceptions. With a CVSS score of 7.5 (HIGH), it has a network attack vector and low attack complexity, resulting in high availability impact. There is currently no public exploit code or evidence of active exploitation, and it has received minimal community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.8.0, < 2.8.2CPE matchmatch criteria
cpe:2.3:a:apache:kafka:*:*:*:*:*:*:*:*
>= 3.0.0, < 3.0.2CPE matchmatch criteria
cpe:2.3:a:apache:kafka:*:*:*:*:*:*:*:*
>= 3.1.0, < 3.1.2CPE matchmatch criteria
cpe:2.3:a:apache:kafka:*:*:*:*:*:*:*:*
>= 3.2.0, < 3.2.3CPE matchmatch criteria
cpe:2.3:a:apache:kafka:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.31%
Probability of exploitation in next 30 days
EPSS Percentile
67.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0131 is in the 47th percentile among its peer group of 51,506 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

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 (5)

mavenpatch availablevia ghsa
Product: org.apache.kafka:kafkaFixed in: 2.8.2
mavenpatch availablevia ghsa
Product: org.apache.kafka:kafkaFixed in: 3.0.2
mavenpatch availablevia ghsa
Product: org.apache.kafka:kafkaFixed in: 3.1.2
mavenpatch availablevia ghsa
Product: org.apache.kafka:kafkaFixed in: 3.2.3
redhatpatch availablevia redhat_api
Product: Red Hat AMQ Streams 2.2.0Fixed in: kafka
View patch

Vendor Advisories (2)

mavenGHSA-c9h3-c6qj-hh7qhigh

Apache Kafka vulnerability can lead to brokers hitting OutOfMemoryException, causing Denial of Service

Sep 21, 2022
redhatCVE-2022-34917Important

Kafka: Unauthenticated clients may cause OutOfMemoryError on brokers

Sep 19, 2022

References

kafka.apache.org / cve-list
Vendor Advisory