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Vulnerability DatabaseCVE-2026-3184

CVE-2026-3184: 
Linux Debian vulnerability analysis and mitigation

A flaw was found in util-linux. Improper hostname canonicalization in the login(1) utility, when invoked with the -h option, can modify the supplied remote hostname before setting PAM_RHOST. A remote attacker could exploit this by providing a specially crafted hostname, potentially bypassing host-based Pluggable Authentication Modules (PAM) access control rules that rely on fully qualified domain names. This could lead to unauthorized access.

Source: NVD

Related Linux Debian vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-5663MEDIUM6.9
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CVE-2026-31410N/AN/A
  • Linux DebianLinux Debian
  • linux-fips
NoYesApr 06, 2026

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