CVE-2020-16127

LOW

accountsservice < 0.6.55 - Denial of Service via ~/.pam_environment Symlink

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 2.8
EPSS 0.0041
EPSS Percentile 32.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

Details

CWE
CWE-20 CWE-835
Status published
Products (1)
freedesktop/accountsservice < 0.6.55
Published Nov 11, 2020
Tracked Since Feb 18, 2026