CVE-2026-55970 PUBLISHED

Apache Thrift: C++ heap out-of-bounds read in THeaderTransport::readHeaderFormat()

Assigner: apache
Reserved: 17.06.2026 Published: 27.07.2026 Updated: 27.07.2026

Buffer Over-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.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Vendor	Apache Software Foundation
Product	Apache Thrift
Versions	Default: unaffected affected from 0 to 0.24.0 (excl.)