CVE-2026-55971: Apache Thrift: C++ ZLIB heap buffer overflow (write) in THeaderTransport::untransform()
Apache Thrift: C++ ZLIB heap buffer overflow (write) in THeaderTransport::untransform()
Other sources
Heap-based Buffer Overflow vulnerability in Apache Thrift C++ bindings.
This issue affects Apache Thrift: before 0.24.0.
Users are recommended to upgrade to version 0.24.0, which fixes the issue.
— NVD
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 0.24.0-1 - Upgrade
Upgrade
Apache Thrift (C++ bindings)to a version that resolves this vulnerability.Fixed in 0.24.0Patch CVE-2026-55971
Event History
Frequently Asked Questions
What is the severity of CVE-2026-55971?
CVE-2026-55971 is rated as critical due to the potential for remote code execution through a heap buffer overflow.
How do I fix CVE-2026-55971?
To fix CVE-2026-55971, update to the patched version of Apache Thrift that addresses this vulnerability.
What versions of Apache Thrift are affected by CVE-2026-55971?
CVE-2026-55971 affects earlier versions of Apache Thrift prior to the release that contains the security fix.
What are the potential consequences of exploiting CVE-2026-55971?
Exploitation of CVE-2026-55971 may allow an attacker to execute arbitrary code on the affected system.
Is there a workaround for CVE-2026-55971 if I can't update immediately?
A workaround for CVE-2026-55971 involves restricting access to the THeaderTransport service to trusted networks.