Stack-based Buffer Overflow Vulnerability in Apache Thrift PHP Bindings
CVE-2026-66837

8.7HIGH

Key Information:

Vendor

Apache
Status
Apache Thrift
Vendor
CVE Published:
2 October 2026

What is CVE-2026-66837?

A stack-based buffer overflow and integer overflow vulnerability exists in the PHP bindings of Apache Thrift, which may allow an attacker to execute arbitrary code or crash the application. This flaw affects Apache Thrift versions prior to 0.25.0. It is crucial for users to upgrade to version 0.25.0 or later to mitigate this security risk and protect their systems from potential exploitation.

Affected Version(s)

Apache Thrift 0 < 0.25.0

References

https://lists.apache.org/thread/33otcgbqd27wf6qq810q56znz...
vendor-advisory
https://lists.apache.org/thread/7o985t84551tpo55v6fsd3g42...
vendor-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Claude (Anthropic Research)
Arthur Chan, Ada Logics (arthur.chan@adalogics.com)
.