CVE-2026-55969
Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift: integer overflow in TProtocol::checkReadBytesAvailable()
Description
Integer Overflow or Wraparound vulnerability in Apache Thrift C++, c_glib, Go, netstd, Delphi and Haxe bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue.
INFO
Published Date :
July 27, 2026, 12:16 p.m.
Last Modified :
July 27, 2026, 2:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 4.0 | HIGH | f0158376-9dc2-43b6-827c-5f631a4d8d09 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Upgrade all affected Apache Thrift bindings to version 0.24.0.
- Ensure all bindings are updated to the latest secure version.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-55969.
| URL | Resource |
|---|---|
| https://lists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb109g8b9 | |
| https://lists.apache.org/thread/xmkgd107k795hyrg5kf97mny30sgl5bo | |
| http://www.openwall.com/lists/oss-security/2026/07/24/40 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-55969 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-55969
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-55969 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-55969 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 27, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-55969', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-27T13:05:26.793426Z'} -
New CVE Received by [email protected]
Jul. 27, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Apache Software Foundation', 'product': 'Apache Thrift', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '0.24.0', 'versionType': 'semver'}], 'packageName': 'thrift', 'collectionURL': 'https://conan.io/center', 'defaultStatus': 'unaffected'}, {'vendor': 'Apache Software Foundation', 'product': 'Apache Thrift', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '0.24.0', 'versionType': 'semver'}], 'packageName': 'c_glib language bindings', 'defaultStatus': 'unaffected'}, {'vendor': 'Apache Software Foundation', 'product': 'Apache Thrift', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '0.24.0', 'versionType': 'semver'}], 'packageName': 'github.com/apache/thrift', 'collectionURL': 'https://proxy.golang.org', 'defaultStatus': 'unaffected'}, {'vendor': 'Apache Software Foundation', 'product': 'Apache Thrift', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '0.24.0', 'versionType': 'semver'}], 'packageName': 'ApacheThrift', 'collectionURL': 'https://www.nuget.org', 'defaultStatus': 'unaffected'}, {'vendor': 'Apache Software Foundation', 'product': 'Apache Thrift', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '0.24.0', 'versionType': 'semver'}], 'packageName': 'Delphi', 'defaultStatus': 'unaffected'}, {'vendor': 'Apache Software Foundation', 'product': 'Apache Thrift', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '0.24.0', 'versionType': 'semver'}], 'packageName': 'thrift', 'collectionURL': 'https://lib.haxe.org', 'defaultStatus': 'unaffected'}] Added Description Integer Overflow or Wraparound vulnerability in Apache Thrift C++, c_glib, Go, netstd, Delphi and Haxe bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-190 Added Reference https://lists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb109g8b9 Added Reference https://lists.apache.org/thread/xmkgd107k795hyrg5kf97mny30sgl5bo -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Jul. 27, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/07/24/40