CVE-2026-61373: Apache Thrift: Java TSaslNonblockingServer pre-auth unbounded SASL frame allocation
Allocation of Resources Without Limits or Throttling vulnerability in Apache Thrift Java TSaslNonblockingServer.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Other sources
Apache Thrift: Java TSaslNonblockingServer pre-auth unbounded SASL frame allocation
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 0.25.0-1 - Upgrade
Upgrade
Apache Thriftto a version that resolves this vulnerability.Fixed in 0.25.0
Event History
Frequently Asked Questions
Which deployments are affected?
Apache Thrift Java deployments using TSaslNonblockingServer are affected if they run a version before 0.25.0.
What does an attacker need to reach to exploit this issue?
The issue occurs during pre-authentication SASL frame handling, so an attacker would need to be able to send SASL traffic to a reachable Java TSaslNonblockingServer.
How can I determine whether remediation is needed?
Identify Apache Thrift Java services that use TSaslNonblockingServer and check their Thrift version. Versions earlier than 0.25.0 require an upgrade to 0.25.0.