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CVE Record

CVE-2014-9402: The nss_dns implementation of getnetbyname in GNU C Library (aka glibc) before 2.21, when the DNS backend i...

The nss_dns implementation of getnetbyname in GNU C Library (aka glibc) before 2.21, when the DNS backend in the Name Service Switch configuration is enabled, allows remote attackers to cause a denial of service (infinite loop) by sending a positive answer while a network name is being process.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is an older glibc denial-of-service flaw. A specially formed DNS response could make a vulnerable system loop while resolving a network name, potentially consuming service capacity. It is not listed as actively exploited in KEV, and the supplied data does not include a CVSS score. Likely exposure is legacy Linux or embedded systems running glibc before 2.21 with NSS configured to use DNS for network lookups. Current maintained distributions are likely patched, but long-lived appliances and unsupported builds need verification. Treat as a legacy hygiene and availability risk. It is not a top emergency from the supplied evidence, but unpatched internet-facing or appliance systems should be remediated through normal vulnerability management. Mitigation focus: Upgrade glibc to a vendor-supported fixed package or glibc 2.21 or later.; Apply relevant distribution advisories from Ubuntu, openSUSE, Gentoo, Red Hat, or Oracle.; Check vendor guidance for embedded or appliance firmware using glibc..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
6Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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