Low severity2.8NVD Advisory· Published Nov 11, 2020· Updated Jun 17, 2026
CVE-2020-16127
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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Affected products
3- Range: <0.6.55-0ubuntu13.2
cpe:2.3:a:freedesktop:accountsservice:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:freedesktop:accountsservice:*:*:*:*:*:*:*:*range: <0.6.55
- (no CPE)range: 0.6.35-0ubuntu7.3
Patches
Vulnerability mechanics
References
1- securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOSnvdExploitThird Party Advisory
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