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 1.12.0. Users are recommended to upgrade to version 1.12.1 or 1.11.5, which fix the issue.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (47.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Apache Avro — versions 1.12.0
- Apache Software Foundation Avro Java Sdk — versions 0, 1.12.0
Weakness classification (CWE)
References
- lists.apache.org/thread/fy88wmgf1lj9479vrpt12cv8x73lroj1 (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.