Squid Critical Vulnerability - 20250805001¶
Overview¶
The Squid Project has issued an urgent advisory addressing a critical vulnerability that allows a heap buffer overflow and possible remote code execution attack when processing URN.
What is vulnerable?¶
| Product(s) Affected | Version(s) | CVE | CVSS | Severity |
|---|---|---|---|---|
| Squid | all versions prior to 6.4 | CVE-2025-54574 | 9.3 | Critical |
What has been observed?¶
The WA SOC has not received any reports of exploitation of this vulnerability on Western Australian Government networks at the time of writing.
Recommendation¶
The WA SOC recommends administrators apply the solutions as per vendor instructions to all affected devices within expected timeframes (refer Patch Management):