Apache Avro Java SDK up to 1.11.4/1.12.0 Schema Record Generator code injection

Summaryinfo

A vulnerability classified as critical was found in Apache Avro Java SDK up to 1.11.4/1.12.0. This affects an unknown part of the component Schema Record Generator. Such manipulation leads to code injection. This vulnerability is uniquely identified as CVE-2025-33042. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apache Avro Java SDK up to 1.11.4/1.12.0. It has been rated as critical. Affected by this issue is an unknown function of the component Schema Record Generator. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at lists.apache.org. This vulnerability is handled as CVE-2025-33042. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/25/2026). This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 310114 (Oracle Business Process Management Suite (12.2.1.4.0 / 14.1.2.0.0) (April 2026 CPU)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.11.5 or 1.12.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (310114). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Programming Language Software

Vendor

• Apache

Name

• Avro Java SDK

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.11.0
• 1.11.1
• 1.11.2
• 1.11.3
• 1.11.4
• 1.12.0

License

• open-source

Website

• Vendor: https://www.apache.org/

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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