This vulnerability involves a stack-based buffer overflow in the netgroup cache handling of the nscd daemon within glibc. When the fixed size cache is exhausted by client requests, further requests for netgroup data may overflow a stack buffer. The issue was introduced starting with glibc 2.15 when the caching feature was added to nscd. The vulnerability is limited to the nscd binary and does not affect other components of glibc.

Successful exploitation could lead to a stack-based buffer overflow, potentially allowing an unauthenticated attacker to execute arbitrary code, cause denial of service, or compromise system integrity. The CVSS score of 8.1 reflects high impact on confidentiality, integrity, and availability. No known exploits are reported in the wild at this time.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. There is no official fix or temporary workaround documented at this time. Users should monitor the GNU C Library project for updates and apply patches once available. Until then, limiting or controlling access to nscd may reduce exposure.