squid vulnerabilities and fixes

Recent CVEs affecting squid, with upgrade or downgrade steps. 2 tracked.

squid has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-07-16. Highest priority: CVE-2026-47729 (score 41/100).

• CVE-2026-47729 MEDIUM 6.5 UPGRADE Squid is a caching proxy for the Web
• CVE-2026-50012 MEDIUM 5.5 UPGRADE Squid is a caching proxy for the Web

FAQ

How do I fix squid vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is squid being exploited right now?

None of the tracked squid CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which squid CVE should I patch first?

CVE-2026-47729 currently ranks highest (41/100): Squid is a caching proxy for the Web.

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