CVE-2024-33599 nscd: Stack-based buffer overflow in netgroup cache

What is CVE-2024-33599?

CVE-2024-33599 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 6 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

nscd: Stack-based buffer overflow in netgroup cache

If the Name Service Cache Daemon's (nscd) fixed size cache is exhausted by client requests then a subsequent client request for netgroup data may result in a stack-based buffer overflow. This flaw was introduced in glibc 2.15 when the cache was added to nscd.

This vulnerability is only present in the nscd binary.

Weakness: CWE-121

Which versions are affected by CVE-2024-33599?

It affects 8 products.

Products include Debian Debian Linux, Gnu Glibc, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware, Netapp H500s Firmware and 2 more.

How do I fix CVE-2024-33599?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-33599 being exploited?

There is no known exploitation of CVE-2024-33599 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-40288, AZL-40310, BELL-CVE-2024-33599, CLSA-2024-1718900760, CLSA-2024-1718901417, CLSA-2024-1718973147 and 8 more.