CVE-2014-125026
CWE-787Published: December 27, 2022· Updated: Jun 17, 2026
Official Description
LZ4 bindings use a deprecated C API that is vulnerable to memory corruption, which could lead to arbitrary code execution if called with untrusted user input.
Risk Analysis
The LZ4 bindings contain a memory corruption flaw due to the use of a deprecated C API. This critical vulnerability could allow arbitrary code execution when processing untrusted input.
No public exploit is known, and it is not listed in the KEV database. The vulnerability is remotely exploitable with low complexity.
Users should ensure they are using updated versions of the cloudflare golz4 library that replace the deprecated API.
Technical Analysis
CVE-2014-125026 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (6)
Quick Facts
Related CVEs (CWE-787)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2014-125026 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts