Generated remediation guidance and an executive summary. No account required.
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Incorrect Check of Function Return Value bug Squid is vulnerable to a Denial of Service attack against its Helper process management. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Cite this page
CVE-2023-49286. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2023-49286
Use CWE-253, Squid-Cache vendor hub and Squid product page to widen CVE-2023-49286 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2025-62168, CVE-2025-54574 and CVE-2026-33526 for nearby disclosures in the same product family.