CVE-2023-28798

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An out-of-bounds write to heap in the pacparser library on Zscaler Client Connector on Mac may lead to arbitrary code execution.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-122 CWE-787

Affected software

Vendor	Product	Versions
Zscaler	Client Connector	< 3.7.0.172
zscaler	client_connector	< 3.7.0.172

References

https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=macOS&applicable_version=3.7&deployment_date=2022-08-19&id=1414851Release Notes, Vendor Advisory
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=macOS&applicable_version=3.7&deployment_date=2022-08-19&id=1414851Release Notes, Vendor Advisory

Timeline

Published: May 2, 2024
Last modified: Jun 17, 2026
NVD status: Analyzed

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