CVE-2007-5723: Heap-based buffer overflow in the samp_send function in nuauth/sasl.c in NuFW before 2.2.7 allows remote at...

Security readout for executives and security teams

NuFW before 2.2.7 has a heap buffer overflow that can let a remote attacker crash the service. The public record describes denial of service, not data theft or code execution. Business urgency is highest for legacy NuFW deployments that still expose nuauth/SASL handling to untrusted networks. Exposure appears limited to NuFW deployments earlier than 2.2.7. The bundle’s affected vendor/product fields are generic, but the CVE description and references identify NuFW and nuauth/sasl.c. Prioritize systems where NuFW authentication components are reachable from untrusted users or networks. Handle during legacy exposure review unless NuFW is internet-facing or business-critical. There is no cited active exploitation, but a remotely triggerable service crash can still affect authentication availability. Mitigation focus: Identify whether NuFW is deployed anywhere, including legacy firewall or authentication gateways.; Upgrade NuFW deployments older than 2.2.7 to 2.2.7 or later where supported.; If upgrade is not possible, restrict access to the affected NuFW service paths..

Prepared

Jun 29, 2026, 01:47 UTC (UTC+00:00)

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