NULL Pointer Dereference and Use of Uninitialized Variable Vulnerability in Apache Thrift
CVE-2026-66859

8.7HIGH

Key Information:

Vendor

Apache
Status
Apache Thrift
Vendor
CVE Published:
2 October 2026

What is CVE-2026-66859?

A vulnerability exists in Apache Thrift's c_glib bindings that allows for a NULL Pointer Dereference and Use of Uninitialized Variable. This can lead to unexpected application behavior or crashes. Users are urged to upgrade to version 0.25.0 to eliminate this vulnerability.

Affected Version(s)

Apache Thrift 0 < 0.25.0

References

https://lists.apache.org/thread/33otcgbqd27wf6qq810q56znz...
vendor-advisory
https://lists.apache.org/thread/n9rogg2166hl9y4ycq5njpvnx...
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

.