CVE-2024-33600 nscd: Null pointer crashes after notfound response

What is CVE-2024-33600?

CVE-2024-33600 is a medium-severity 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: Null pointer crashes after notfound response

If the Name Service Cache Daemon's (nscd) cache fails to add a not-found netgroup response to the cache, the client request can result in a null pointer dereference. 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-476

Which versions are affected by CVE-2024-33600?

It affects 12 products.

Products include Debian Debian Linux, Gnu Glibc, Netapp Active Iq Unified Manager, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware and 6 more.

How do I fix CVE-2024-33600?

Apply the vendor's patch.

Is CVE-2024-33600 being exploited?

There is no known exploitation of CVE-2024-33600 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-40277, AZL-40291, BELL-CVE-2024-33600, DEBIAN-CVE-2024-33600, GHSA-jv3g-6pg3-v9j8, MINI-958x-6f67-646v and 2 more.