CVE-2020-13949: Uncontrolled Resource Consumption in Apache Thrift
Summary
CVE-2020-13949: Uncontrolled Resource Consumption in Apache Thrift. Affects org.apache.thrift:libthrift versions >= 0.9.3, < 0.14.0. Fixed in 0.14.0. How to fix ↓
Also tracked for
The same CVE-2020-13949 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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Background
Apache Thrift is a software framework for scalable cross-language services development. It allows efficient and reliable communication between different programming languages. The 'org.apache.thrift:libthrift' package in the Maven ecosystem is affected by a vulnerability that could lead to denial of service. This vulnerability exists in versions 0.9.3 to 0.13.0 of Apache Thrift.
Vulnerability Detail
The vulnerability (CVE-2020-13949) in Apache Thrift allows malicious RPC clients to send short messages that result in a large memory allocation. This uncontrolled resource consumption can potentially lead to denial of service. Attackers can exploit this vulnerability by sending specially crafted requests, causing the server to allocate excessive memory and exhaust system resources.
How To Fix
Latest published version: 0.25.0 as of 23 Oct 2026
Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
0.14.0
This is the first release that contains the fix.
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Workaround
There is no known workaround for this vulnerability. It is essential to upgrade to the fixed version of the package to address the issue effectively.
Conclusion
The vulnerability in Apache Thrift (CVE-2020-13949) allows malicious clients to exploit uncontrolled resource consumption, potentially leading to denial of service. It is crucial to upgrade to version 0.14.0 or later of the 'org.apache.thrift:libthrift' package to mitigate this issue. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for org.apache.thrift:libthrift →
FAQ
Apache Thrift is a software framework for scalable cross-language services development. It enables efficient communication between different programming languages.
The vulnerability allows malicious clients to cause denial of service by exploiting uncontrolled resource consumption, leading to excessive memory allocation.
Versions 0.9.3 to 0.13.0 of Apache Thrift are affected by this vulnerability.
To fix this vulnerability, upgrade to version 0.14.0 or later of the 'org.apache.thrift:libthrift' package.
No, there is no known workaround for this vulnerability. Upgrading to the fixed version is necessary.
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