CVE-2026-55970: Apache Thrift: C++ heap out-of-bounds read in THeaderTransport::readHeaderFormat()
Apache Thrift: C++ heap out-of-bounds read in THeaderTransport::readHeaderFormat()
Other sources
Buffer Over-read 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 to a fixed release to a version that resolves this vulnerability.
Fixed in 0.24.0 - Compensating control
Until upgraded, limit exposure of Apache Thrift C++ services to trusted clients/users to reduce the likelihood of triggering the THeaderTransport::readHeaderFormat()/adHeaderFormat() buffer over-read via crafted inputs.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-55970?
CVE-2026-55970 has been classified as a high-severity vulnerability due to its potential for triggering heap out-of-bounds writes.
How do I fix CVE-2026-55970?
To fix CVE-2026-55970, you should upgrade to the latest version of Apache Thrift that contains the security patch addressing this vulnerability.
What systems are affected by CVE-2026-55970?
CVE-2026-55970 affects all versions of Apache Thrift, specifically those utilizing the C++ implementation.
What is the impact of exploiting CVE-2026-55970?
Exploiting CVE-2026-55970 may allow an attacker to execute arbitrary code or crash the application due to memory corruption.
When was CVE-2026-55970 published?
CVE-2026-55970 was published on July 24, 2026.