本頁列出影響 lightdm_project lightdm 的已公開 CVE 漏洞（透過 NVD CPE 關聯）。每列包含嚴重程度評分、摘要與發布日期，便於識別與分析安全議題。
| CVE | 摘要 | 來源 | 最高 CVSS | EPSS % | 公開時間 | 更新時間 |
|---|---|---|---|---|---|---|
| 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 |