Low severity2.8NVD Advisory· Published Nov 11, 2020· Updated Jun 17, 2026

CVE-2020-16127

Description

An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, would perform unbounded read operations on user-controlled ~/.pam_environment files, allowing an infinite loop if /dev/zero is symlinked to this location.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Xorg/AccountsService
cpe:2.3:a:freedesktop:accountsservice:*:*:*:*:*:*:*:*
Range: <0.6.55
Ubuntu/AccountsServicellm-fuzzy
Range: <0.6.55-0ubuntu13.2
Freedesktop/accountsservicev5
Range: 0.6.35-0ubuntu7.3

Patches

Vulnerability mechanics

References

securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOSnvdExploitThird Party Advisory

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epss	0.000
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ransomware	0.000