CVE-2026-58662 Apache Thrift: C++ THeaderTransport::readString() info-header length bounds bypass

What is CVE-2026-58662?

CVE-2026-58662 is a high-severity memory corruption vulnerability in Apache Thrift, published on 27 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper Validation of Specified Quantity in Input, Out-of-bounds 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.

Weakness: CWE-1284, CWE-125

Which versions are affected by CVE-2026-58662?

1 open source package ship an affected version, including thrift. It affects 1 product.

Products include Apache Thrift.

How do I fix CVE-2026-58662?

Upgrade thrift to 0.24.0 or later.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-58662 being exploited?

There is no known exploitation of CVE-2026-58662 in the wild and no public exploit code.

Other vulnerabilities in Apache Thrift

• CVE-2026-55971 Apache Thrift: C++ ZLIB heap buffer overflow (write) in THeaderTransport::untransform() Critical 9.3
• CVE-2026-48144 Apache Thrift: c_glib TLS Client Missing Hostname Verification Critical 9.1
• CVE-2016-5397 Apache Thrift Go Library Command Injection High 8.8
• CVE-2026-43871 Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift: TCompactProtocol varint byte-count limit High 8.7
• CVE-2026-48586 Denial of service in Apache Thrift High 8.7

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-93977, BIT-thrift-2026-58662, DEBIAN-CVE-2026-58662, ECHO-3f1c-a36a-b93f, GHSA-x4w6-p6f8-24qw, MINI-28gj-38ww-89q8 and 1 more.