CVE-2026-83663

High

Description

Uncontrolled Recursion vulnerability in Apache Thrift go bindings. Both Go transports satisfy a read out of a buffered frame and, when that frame yields no payload bytes, read the next frame and call `Read` again instead of looping. A peer produces such a frame for 4 bytes in `TFramedTransport` (a declared size of zero) or 18 bytes in `THeaderTransport` (a header block that fills the frame), so nothing bounds the depth. The Go stack limit is reached as a `fatal error`, which `recover()` cannot catch, so the whole process dies. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.

SeverityHigh
CVSS8.7
Exploit probability—
ProductApache Thrift
PublishedOct 2, 2026
First seenOct 2, 2026
Weakness typeCWE-674CWE-674

How to fix

Update
  • Apache Software Foundation Apache Thrift0.25.0 or later

Affected products

ProductAffected versionsFixed in
Apache Software Foundation Apache Thriftv < 0.25.00.25.0

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