CVE-2023-39410: Apache Avro

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 applications using Apache Avro Java SDK up to and including 1.11.2. Users should update to apache-avro version 1.11.3 which addresses this issue.

Affected products

• Apache Avro: before 1.11.3 (fixed in 1.11.3)

Published 2023-09-29. Last modified 2026-06-17.