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CVE-2026-66837: CWE-121 Stack-based Buffer Overflow in Apache Software Foundation Apache Thrift

0
High
VulnerabilityCVE-2026-66837cvecve-2026-66837cwe-121cwe-190
Published: 10/02/2026 (10/02/2026, 12:29:09 UTC)
Source: CVE Database V5
Vendor/Project: Apache Software Foundation
Product: Apache Thrift

Description

CVE-2026-66837 is a high-severity stack-based buffer overflow and integer overflow vulnerability in the PHP bindings of Apache Thrift. It affects all versions before 0.25.0. The vulnerability allows for potential memory corruption due to improper handling of buffer sizes. Users are advised to upgrade to Apache Thrift version 0.25.0, which contains the fix for this issue.

CVSS v4.0

Score 8.7high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
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

Affected software

Apache Software Foundation

Apache Thrift

Affected versions
>=0 <0.25.0
Packagistmore threats →cve
apache/thrift
pkg:composer/apache/thrift
Affected versions
>=0 <0.25.0

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/02/2026, 13:16:22 UTC

Technical Analysis

This vulnerability in Apache Thrift's PHP bindings involves a stack-based buffer overflow and integer overflow (CWE-121 and CWE-190). It affects versions prior to 0.25.0. The flaw arises from improper bounds checking leading to memory corruption risks. The Apache Software Foundation has addressed this issue in version 0.25.0.

Potential Impact

Successful exploitation could lead to memory corruption, potentially allowing an attacker to execute arbitrary code or cause a denial of service. The CVSS 4.0 base score is 8.7 (high), indicating a network attack vector with no required privileges or user interaction and high impact on availability.

Mitigation Recommendations

Users should upgrade to Apache Thrift version 0.25.0 or later to remediate this vulnerability. This is the official fix provided by the vendor.

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Technical Details

Data Version
5.2
Assigner Short Name
apache
Date Reserved
2026-07-27T22:11:51.955Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6abfab3ca43b0b3b89bc8cf7

Added to database: 10/02/2026, 13:01:48 UTC

Last enriched: 10/02/2026, 13:16:22 UTC

Last updated: 10/02/2026, 13:22:39 UTC

Views: 3

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