CVE-2026-93925 PUBLISHED

Apache Thrift: C++ `THeaderTransport::writeVarint32()` stack buffer overflow on a negative protocol id

Assigner: apache
Reserved: 18.09.2026 Published: 02.10.2026 Updated: 02.10.2026

Stack-based buffer overflow, Incorrect bitwise shift of integer vulnerability in Apache Thrift C++ THeaderProtocol.

This issue affects Apache Thrift: before 0.25.0.

Users are recommended to upgrade to version 0.25.0, which fixes the issue.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.7

Product Status

Vendor Apache Software Foundation
Product Apache Thrift
Versions Default: unaffected
  • affected from 0 to 0.25.0 (excl.)

Credits

  • glit3h from ZeroVuln Labs finder

References

Problem Types

  • CWE-121 Stack-based buffer overflow CWE
  • CWE-835 CWE
  • CWE-1335 Incorrect bitwise shift of integer CWE