Client Connector
CVE-2023-28793: Heap Based Buffer Overflow in Library
Buffer overflow vulnerability in the signelf library used by Zscaler Client Connector on Linux allows Code Injection.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 3.1 7.8
EPSS0.30%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Client Connector 0 | 1.3.1.6 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
Buffer overflow vulnerability in the signelf library used by Zscaler Client Connector on Linux allows Code Injection. This issue affects Zscaler Client Connector for Linux: before 1.3.1.6.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.