CVE-2025-33042

Apache Avro Java SDK: Code injection on Java generated code

Published: Feb 13, 2026Updated: Feb 20, 2026 Sources: CVE List NVD GHSACWE-94

7.3HIGH

Description

Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Avro Java SDK when generating specific records from untrusted Avro schemas. This issue affects Apache Avro Java SDK: all versions through 1.11.4 and version 1.12.0. Users are recommended to upgrade to version 1.12.1 or 1.11.5, which fix the issue.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:LConfidentiality

Low

I:LIntegrity

Low

A:LAvailability

Low

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Weaknesses

CWE-94

Affected Products

Apache Software Foundation

oss-project·USaka apache foundation

Apache Avro Java SDKOn-premLibrary

OSS Libraries / generic-library

Maven

package-ecosystem

org.apache.avro:avro-compiler

OSS Libraries

apache

oss-project·USaka apache httpd, apache http server

avroLibraryLibrary

OSS Libraries / generic-library

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Execution

Initial Access

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References

https://lists.apache.org/thread/fy88wmgf1lj9479vrpt12cv8x73lroj1

lists.apache.org

https://nvd.nist.gov/vuln/detail/CVE-2025-33042

nvd.nist.gov

https://github.com/apache/avro/pull/3150

github.com

and 6 more references View all →

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