CVE-2024-33602 | nscd: netgroup cache assumes NSS callback uses in-buffer strings

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.

Published: 2024-05-06 Last update: 2026-05-12 Assigner: 3ff69d7a-14f2-4f67-a097-88dee7810d18 Source: 3ff69d7a-14f2-4f67-a097-88dee7810d18

Conclusion & alert: CVE-2024-33602 is rated Moderate Risk (55.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.75%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-33602

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-25 0.63% 0.75% +0.12%
2 2026-04-21 0.45% 0.63% +0.18%
3 2026-03-02 0.45%

Full EPSS history (20 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-33602

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.4 3.1 HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
1.4 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2024-33602

GitHub Security Advisory for CVE-2024-33602

GHSA-f4pv-q5f7-2h55 · Severity: high — nscd: netgroup cache assumes NSS callback uses in-buffer strings The Name Service Cache Daemon's...

OS Trackers for CVE-2024-33602

vendor priority summary link
debian not yet assigned CVE-2024-33602 not yet assigned priority: Debian including 1 source packages (glibc), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2024-33602
gentoo high CVE-2024-33602: 1 GLSA(s) (202405-17), 1 atom(s) (sys-libs/glibc); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2024-33602
redhat low https://access.redhat.com/security/cve/CVE-2024-33602
suse medium CVE-2024-33602 severity moderate: SUSE including 924 source package names (1.21-14.1:glibc-2.31-150300.83.1, 1.5.4-1.11.1:glibc-2.31-150300.83.1, …), 2070 product×package rows across 288 product lines (Container bci/bci-base-fips, Container bci/bci-busybox, … (288 product lines)): Fixed 1831, Known Affected 200, Known Not Affected 39. https://www.suse.com/security/cve/CVE-2024-33602/
ubuntu medium CVE-2024-33602 medium priority: Ubuntu including 2 source packages (eglibc, glibc), 19 status rows across 11 suites (bionic, focal, jammy, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 7, released 6, needs-triage 3, not-affected 3. https://ubuntu.com/security/CVE-2024-33602

Affected software / configurations for CVE-2024-33602

Vendor Product Version Raw CPE
gnu glibc >= 2.15, < 2.40 cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
debian debian_linux 10.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
netapp h300s_firmware cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
netapp h500s_firmware cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
netapp h700s_firmware cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
netapp h410s_firmware cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
netapp h410c_firmware cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
netapp element_software cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*
netapp solidfire_\&_hci_management_node cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*
netapp solidfire_\&_hci_storage_node cpe:2.3:a:netapp:solidfire_\&_hci_storage_node:-:*:*:*:*:*:*:*
netapp hci_bootstrap_os cpe:2.3:o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*

References for CVE-2024-33602

cvelogic Threat Intelligence