Apache Avro vulnerabilities

7 CVEs affecting Apache Avro, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-33042, published 2026-02-13.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2024-47561, published 2024-10-03. High severity, CVSS 7.3. EPSS: 3.3% chance of exploitation in the next 30 days. Schema parsing in the Java SDK of Apache Avro 1.11.3 and previous versions allows bad actors to execute arbitrary code. Users are recommended to upgrade to version 1.11.4 or 1.12.0, which fix this…
CVE-2021-43045, published 2022-01-06. High severity, CVSS 7.5. EPSS: 3% chance of exploitation in the next 30 days. A vulnerability in the .NET SDK of Apache Avro allows an attacker to allocate excessive resources, potentially causing a denial-of-service attack. This issue affects .NET applications using Apache…
CVE-2023-39410, published 2023-09-29. High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days. When deserializing untrusted or corrupted data, it is possible for a reader to consume memory beyond the allowed constraints and thus lead to out of memory on the system. This issue affects Java…
CVE-2022-35724, published 2022-08-09. High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days. It is possible to provide data to be read that leads the reader to loop in cycles endlessly, consuming CPU. This issue affects Rust applications using Apache Avro Rust SDK prior to 0.14.0 (previously…
CVE-2022-36125, published 2022-08-09. High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days. It is possible to crash (panic) an application by providing a corrupted data to be read. This issue affects Rust applications using Apache Avro Rust SDK prior to 0.14.0 (previously known as avro-rs).…
CVE-2022-36124, published 2022-08-09. High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days. It is possible for a Reader to consume memory beyond the allowed constraints and thus lead to out of memory on the system. This issue affects Rust applications using Apache Avro Rust SDK prior to…
CVE-2025-33042, published 2026-02-13. High severity, CVSS 7.3. EPSS: 0.7% chance of exploitation in the next 30 days. 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:…