About Us

Compumaster has been servicing Home and Small to Medium sized businesses for over 23 years. We are a local owned and operated business right on the main street in Georgetown servicing the Halton Region and Southern Ontario. There is no computer/security issue we can't resolve. We warranty our work and we explain everything in plain English (no tech talk) so you understand what is being done. Our goal is to educate our clients on how to maintain security and safety on line one computer at a time. Come in anytime and get some straight talk on your needs.

Threats/Scams

WatchGuard security advisory (AV26-649)
Serial number: AV26-649
Date: July 3, 2026

On July 2, 2026, WatchGuard published security advisories to address vulnerabilities in the following products:

Fireware OS 2025.1 – version 2026.2 and prior

Fireware OS 11.x - version 11.12.4_Update1 and prior

Fireware OS 12.0 – version 12.12 and prior

Fireware OS 12.5 – version 12.5.18 and prior

Mobile VPN with SSL client for Windows – version 2026.2 and prior

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.

WatchGuard Firebox Race Condition and Use-After-Free in Mobile VPN with IKEv2 LDAP Authentication

WatchGuard Mobile VPN with SSL Windows Client Local Privilege Escalation

WatchGuard Security Advisories
Adobe security advisory (AV26-647) – Update 1
Serial number: AV26–647
Date: July 2, 2026
Updated: July 2, 2026

On June 30, 2026, Adobe published security advisories to address critical vulnerabilities in the following products:

Adobe ColdFusion 2025 – Update 9 and prior

Adobe ColdFusion 2023 – Update 20 and prior

Adobe Campaign Classic – version ACC v7: 7.4.3 build 9396 and prior

Update 1

Open-source reporting indicates that CVE-2026-48282 is being exploited.

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.

Security update available for Adobe ColdFusion | APSB26-68

Security updates available for Adobe Campaign Classic | APSB26-69

Adobe Security Advisories

AL26-016 - Vulnerability impacting Citrix NetScaler CVE-2026-8451

Number: AL26-016
Date: July 2, 2026

Audience

This Alert is intended for IT professionals and managers.

Purpose

An Alert is used to raise awareness of a recently identified cyber threat that may impact cyber information assets, and to provide additional detection and mitigation advice to recipients. The Canadian Centre for Cyber Security ("Cyber Centre") is also available to provide additional assistance regarding the content of this Alert to recipients as requested.

Details

The Cyber Centre is aware of a vulnerability impacting NetScaler ADC (formerly Citrix ADC), NetScaler Gateway (formerly Citrix Gateway) and NetScaler ADC FIPS (Federal Information Processing Standards)^Footnote1^Footnote2. In response to the vendor advisory released on June 30, 2026, the Cyber Centre released AV26-645 on June 30, 2026^Footnote3.

Tracked as CVE-2026-8451^Footnote4, this vulnerability is an insufficient input validation (CWE-125)^Footnote5 vulnerability affecting many NetScaler ADC and NetScaler Gateway versions. If exploited, this vulnerability can lead to memory overread, if NetScaler ADC or NetScaler Gateway is configured as a Security Assertion Markup Language (SAML) Identity Provider (idP).

The vulnerability only impacts customer-managed NetScaler ADC and NetScaler Gateway. The cloud services managed by Citrix have been upgraded with the necessary software updates related to this vulnerability.

Suggested actions

The Cyber Centre recommends that organizations using Citrix NetScaler ADC, NetScaler Gateway, NetScaler ADC FIPS and NFcPP^Footnote1 appliances update or upgrade the affected systems to the following versions:

Affected Product	Affected Versions	Fixed Versions
NetScaler ADC and NetScaler Gateway 14.1	14.1 before 14.1-72.61	14.1-72.61
NetScaler ADC and NetScaler Gateway 13.1	13.1 before 13.1-63.18	13.1-63.18
NetScaler ADC FIPS	versions prior to 14.1-72.61 FIPS	14.1-72.61
NetScaler ADC FIPS and NDcPP	versions prior to 13.1-37.272	13.1-37.272

The Cyber Centre recommends following Citrix guidance if NetScaler ADC or NetScaler Gateway are suspected to be compromised^Footnote6.

In addition, the Cyber Centre strongly recommends that organizations review and implement the Cyber Centre’s Top 10 IT Security Actions with an emphasis on the following topics^Footnote7.

Patch operating systems and applications
Harden operating systems and applications
Isolate web-facing applications

Should activity matching the content of this alert be discovered, recipients are encouraged to report via My Cyber Portal, or email contact@cyber.gc.ca.

Progress security advisory (AV26-552) – Update 1
Serial number:AV26-552
Date:June 5, 2026
Updated: July 2, 2026

Between June 2 and 4, 2026, Progress published security advisories to address vulnerabilities in the following products. Included was a critical update for the following:

Sitefinity CMS and Sitefinity Insight – multiple versions

Progress Kemp LoadMaster – version GA v7.2.63.1 and prior

Progress Kemp LoadMaster - version LTSF v7.2.54.17 and prior

Update 1

Open-source reporting indicates that CVE-2026-8037 is being exploited in the wild.

The Cyber Centre encourages users and administrators to review the provided web link and apply the necessary updates.

Sitefinity Security Advisory for Addressing Security Vulnerabilities CVE-2026-7312, CVE-2026-7198, CVE-2026-7195, CVE-2026-7201, CVE-2026-7313, May 2026

LoadMaster Critical Security Bulletin – June 2026 – (CVE-2026-8037, CVE-2026-33691)

Progress Trust Center
Google Chrome security advisory (AV26-648)
Serial number: AV26-648
Date: July 2, 2026

On June 30, 2026, Google published a security advisory to address vulnerabilities in the following product:

Stable Channel Chrome for Desktop – versions prior to 150.0.7871.46/47 (Windows/Mac), and 150.0.7871.46 (Linux)

The Cyber Centre encourages users and administrators to review the provided web link and apply the necessary updates, when available.

Google Chrome Security Advisory
Cisco security advisory (AV26-646)
Serial number: AV26-646
Date: July 2, 2026

On July 1, 2026, Cisco published security advisories to address vulnerabilities in the following:

Cisco Catalyst Center Release 2.3.7 – versions prior to 2.3.7.11-VA GSMU100

Cisco Catalyst Center Release 3.1 - versions prior to 3.1.6 GSMU200

Secure Endpoint Connector - multiple versions and platforms

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates, when available.

Cisco Catalyst Center Arbitrary File Read Vulnerability

ClamAV Vulnerabilities Affecting Cisco Products: July 2026

Cisco Security Advisories