CVE-2009-5028: Stack-based buffer overflow in Namazu before 2.0.20 allows remote attackers to cause a denial of service (d...

Security readout for executives and security teams

CVE-2009-5028 is a remotely reachable buffer overflow in Namazu before 2.0.20. A crafted request with an empty URI field can crash the daemon and may allow arbitrary code execution. Business urgency depends on whether Namazu is exposed in your search stack or bundled by a vendor product. Exposure is most likely in legacy Namazu deployments below 2.0.20, internet-facing search endpoints, or vendor appliances/packages that embedded Namazu. The provided affected-product metadata is incomplete, so inventory confirmation is required. Prioritize remediation for internet-facing or business-critical search services using Namazu. Treat internal-only legacy deployments as lower urgency but still requiring cleanup because the flaw can crash service and may enable code execution. Mitigation focus: Upgrade Namazu to 2.0.20 or later where applicable.; Check Red Hat, HPE, or other vendor package advisories for backported fixes.; Restrict public access to Namazu-backed search endpoints if upgrade timing is uncertain..

Prepared

Jun 27, 2026, 17:48 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.