What is CVE-2025-33042?

CVE-2025-33042 is a high-severity vulnerability in Apache Avro, classified under Code Injection. CVSS score: 7.3/10. Published 2026-02-13.

How severe is CVE-2025-33042?

High severity. CVSS v3 base score is 7.3 out of 10.

RCE in Apache Avro

CVE-2025-33042

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…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.006 (44.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Apache Avro — versions 1.12.0
Apache Software Foundation Avro Java Sdk — versions 0, 1.12.0

Weakness classification (CWE)

CWE-94 — Code Injection

References

security@apache.org (vendor-advisory, Mailing List, Issue Tracking, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2025-33042?: CVE-2025-33042 is a high-severity vulnerability in Apache Avro, classified under Code Injection. CVSS score: 7.3/10. Published 2026-02-13.
How severe is CVE-2025-33042?: High severity. CVSS v3 base score is 7.3 out of 10.