CVE-2023-28798

CRITICAL 9.8CVE-2023-28798 · Published 02/05/2024 · updated 17/06/2026

In short

CVE-2023-28798 is a CRITICAL (CVSS 9.8) vulnerability affecting client connector (zscaler).
Chance of exploitation in the next 30 days (EPSS): 0.43%, higher than 37.8% of all vulnerabilities.
Fix: update to 3.7 or later.

Package	Affected versions	Patched versions
client connector zscaler	`< 3.7`	`3.7`

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

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Package

Affected versions

Patched versions

< 3.7

3.7

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