CVE-2023-28798

Out-of-bounds write to heap in pacparser

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Published May 2, 2024 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Zscaler

Client Connector

unaffected

Version	Status	Constraints
`0`	affected	< 3.7.0.172

Configuration 1 [-]

cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:macos:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-32433	An out-of-bounds write to heap in the pacparser library on Zscaler Client Connector on Mac may lead to arbitrary code execution.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.435% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
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=1414851

History

Feb 17, 2026 6:00 PM Weaknesses updated. Affected versions updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-787
CPEs		cpe:2.3:a:zscaler:client_connector::::::macos::*

Subscriptions

Zscaler Client Connector

Weaknesses

Sources

CVE record Updated: Aug 2, 2024, 1:51 PM

Status: PUBLISHED
Assigner: Zscaler
Published: May 2, 2024, 1:10 PM
Updated: Aug 2, 2024, 1:51 PM
Reserved: Mar 23, 2023, 6:29 PM

View source JSON

Vulnrichment Updated: May 2, 2024, 4:24 PM

Updated: May 2, 2024, 4:24 PM

NVD Updated: Jun 17, 2026, 5:48 AM

Status: Analyzed
Published: May 2, 2024, 1:23 PM
Modified: Jun 17, 2026, 5:48 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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