CVE-2024-33602: CWE-466 Return of Pointer Value Outside of Expected Range in The GNU C Library glibc
nscd: netgroup cache assumes NSS callback uses in-buffer strings The Name Service Cache Daemon's (nscd) netgroup cache can corrupt memory when the NSS callback does not store all strings in the provided buffer. The flaw was introduced in glibc 2.15 when the cache was added to nscd. This vulnerability is only present in the nscd binary.
AI Analysis
Technical Summary
The vulnerability CVE-2024-33602 in glibc's nscd netgroup cache involves an incorrect assumption that the NSS callback stores all strings within the provided buffer. If this assumption is violated, memory corruption can occur. This bug was introduced in glibc 2.15 with the addition of the netgroup cache to nscd. The issue affects only the nscd binary component of glibc. The CVSS 3.1 score is 7.4, reflecting a high severity with local attack vector, high complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. No patch or official remediation has been confirmed as of the published date.
Potential Impact
Successful exploitation can lead to memory corruption in the nscd process, potentially causing denial of service or other impacts on system stability and security. The vulnerability affects confidentiality, integrity, and availability as indicated by the CVSS vector. However, exploitation requires local access and high attack complexity, and no known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, avoid running vulnerable versions of nscd or restrict local access to systems running glibc 2.15. Monitor vendor communications for updates on patches or mitigations.
CVE-2024-33602: CWE-466 Return of Pointer Value Outside of Expected Range in The GNU C Library glibc
Description
nscd: netgroup cache assumes NSS callback uses in-buffer strings The Name Service Cache Daemon's (nscd) netgroup cache can corrupt memory when the NSS callback does not store all strings in the provided buffer. The flaw was introduced in glibc 2.15 when the cache was added to nscd. This vulnerability is only present in the nscd binary.
CVSS v3.1
Score 7.4high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2024-33602 in glibc's nscd netgroup cache involves an incorrect assumption that the NSS callback stores all strings within the provided buffer. If this assumption is violated, memory corruption can occur. This bug was introduced in glibc 2.15 with the addition of the netgroup cache to nscd. The issue affects only the nscd binary component of glibc. The CVSS 3.1 score is 7.4, reflecting a high severity with local attack vector, high complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. No patch or official remediation has been confirmed as of the published date.
Potential Impact
Successful exploitation can lead to memory corruption in the nscd process, potentially causing denial of service or other impacts on system stability and security. The vulnerability affects confidentiality, integrity, and availability as indicated by the CVSS vector. However, exploitation requires local access and high attack complexity, and no known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, avoid running vulnerable versions of nscd or restrict local access to systems running glibc 2.15. Monitor vendor communications for updates on patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- glibc
- Date Reserved
- 2024-04-24T20:35:08.340Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a0317d3cbff5d8610d954bf
Added to database: 05/12/2026, 12:06:43 UTC
Last enriched: 07/15/2026, 11:26:52 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 127
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