SB2026110303 - Context Switching Race Condition in Squid
Published: November 3, 2026
Security Bulletin ID
SB2026110303
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Context Switching Race Condition (CVE-ID: CVE-2024-28178)
CWE-ID: CWE-368 - Context Switching Race Condition
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service by crashing Squid.
The vulnerability exists due to a context switching race condition in the Squid gopher protocol gateway when handling requests for gopher resources. A remote attacker can access gopher resources through Squid as a trusted client to trigger an assertion failure and cause a denial of service.
Remediation
Install update from vendor's website.