本页列出影响 lightdm_project lightdm 的已公开 CVE 漏洞（通过 NVD CPE 关联）。每行包含严重程度评分、摘要与发布日期，便于识别与分析安全问题。
| CVE | 摘要 | 来源 | 最高 CVSS | EPSS % | 公开时间 | 更新时间 |
|---|---|---|---|---|---|---|
| CVE-2011-3349 | lightdm before 0.9.6 writes in .dmrc and Xauthority files using root permissions while the files are in user controlled folders. A local user can overwrite root-owned files via a symlink, which can allow possible privilege escalation. | [email protected] | 7.8 | 0.36% | 2019-11-19 | 2026-06-16 |
| CVE-2015-8316 | Array index error in LightDM (aka Light Display Manager) 1.14.3, 1.16.x before 1.16.6 when the XDMCP server is enabled allows remote attackers to cause a denial of service (process crash) via an XDMCP request packet with no address. | [email protected] | 5.9 | 1.75% | 2017-09-06 | 2026-06-16 |
| CVE-2017-8900 | LightDM through 1.22.0, when systemd is used in Ubuntu 16.10 and 17.x, allows physically proximate attackers to bypass intended AppArmor restrictions and visit the home directories of arbitrary users by establishing a guest session. | [email protected] | 4.6 | 0.42% | 2017-05-12 | 2026-06-16 |
| CVE-2017-7358 | In LightDM through 1.22.0, a directory traversal issue in debian/guest-account.sh allows local attackers to own arbitrary directory path locations and escalate privileges to root when the guest user logs out. | [email protected] | 7.3 | 2.67% | 2017-04-05 | 2026-06-16 |