CVE & CISA-KEV Catalog

CVE-2014-0979

LOW
2.1
CVSS v2
NVD

Description

The start_authentication function in lightdm-gtk-greeter.c in LightDM GTK+ Greeter before 1.7.1 does not properly handle the return value from the lightdm_greeter_get_authentication_user function, which allows local users to cause a denial of service (NULL pointer dereference) via an empty username.

How to fix

Remediation Available
lightdm-gtk-greeterDebian
Fixed in:1.6.1-5CVE-2014-0979
Fixed in:1.6.1-5CVE-2014-0979
Fixed in:1.6.1-5CVE-2014-0979
Fixed in:1.6.1-5CVE-2014-0979

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.41%probability of exploitation in 30 days
33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.