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lightdm

Vendor: Robert Ancell • 6 CVEs

CVEs (6)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Robert Ancell
1Lightdm
May 6, 2026
Oct 27, 2014
N/A· v4
N/A· v3
4.6 MEDIUM· v2
lightdm before 1.0.9 does not properly close file descriptors before opening a child process, which allows local users to write to the lightdm log or have other unspecified impact.
2Canonical
Robert Ancell
2Lightdm
Ubuntu Linux
May 6, 2026
May 22, 2014
N/A· v4
N/A· v3
2.1 LOW· v2
debian/guest-account in Light Display Manager (lightdm) 1.0.x before 1.0.6 and 1.1.x before 1.1.7, as used in Ubuntu Linux 11.10, allows local users to delete arbitrary files via a space in the name of a file in /tmp. N...Show more
debian/guest-account in Light Display Manager (lightdm) 1.0.x before 1.0.6 and 1.1.x before 1.1.7, as used in Ubuntu Linux 11.10, allows local users to delete arbitrary files via a space in the name of a file in /tmp. NOTE: this identifier was SPLIT per ADT1/ADT2 due to different codebases and affected versions. CVE-2012-6648 has been assigned for the gdm-guest-session issue.Show less
2Canonical
Robert Ancell
2Lightdm
Ubuntu Linux
May 6, 2026
Mar 6, 2014
N/A· v4
N/A· v3
1.9 LOW· v2
dmrc.c in Light Display Manager (aka LightDM) before 1.1.1 allows local users to read arbitrary files via a symlink attack on ~/.dmrc.
1Robert Ancell
1Lightdm
Apr 29, 2026
Feb 2, 2014
N/A· v4
N/A· v3
2.1 LOW· v2
Light Display Manager (aka LightDM) 1.4.x before 1.4.3, 1.6.x before 1.6.2, and 1.7.x before 1.7.14 uses 0664 permissions for the temporary .Xauthority file, which allows local users to obtain sensitive information by re...Show more
Light Display Manager (aka LightDM) 1.4.x before 1.4.3, 1.6.x before 1.6.2, and 1.7.x before 1.7.14 uses 0664 permissions for the temporary .Xauthority file, which allows local users to obtain sensitive information by reading the file.Show less
2Canonical
Robert Ancell
2Lightdm
Ubuntu Linux
Apr 29, 2026
Nov 23, 2013
N/A· v4
N/A· v3
3.3 LOW· v2
LightDM 1.7.5 through 1.8.3 and 1.9.x before 1.9.2 does not apply the AppArmor profile to the Guest account, which allows local users to bypass intended restrictions by leveraging the Guest account.
1Robert Ancell
1Lightdm
Apr 29, 2026
Feb 17, 2012
N/A· v4
N/A· v3
1.9 LOW· v2
LightDM before 1.0.6 allows local users to change ownership of arbitrary files via a symlink attack on ~/.Xauthority.