CVE catalog
CVE-2019-3825
gdm3: CVE-2019-3825
- Severity
- Medium · CVSS 6.3
CVSS:3.0/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.51% · Oct 25, 2026
A vulnerability was discovered in gdm before 3.31.4. When timed login is enabled in configuration, an attacker could bypass the lock screen by selecting the timed login user and waiting for the timer to expire, at which time they would gain access to the logged-in user's session.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | gdm3 | sid | 51.1-1 | fixed |
| Debian | gdm3 | forky | 51.1-1 | fixed |
| Debian | gdm3 | trixie | 48.0-2 | fixed |
| Debian | gdm3 | bookworm | 43.0-3 | fixed |
| Ubuntu | gdm3 | 18.04 | 3.26.1-3ubuntu2 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.26.1-3ubuntu3 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.26.2.1-0ubuntu1 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.26.2.1-2ubuntu1 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.26.2.1-2ubuntu2 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.27.90-0ubuntu1 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.27.92-0ubuntu1 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.28.0-0ubuntu1 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.28.2-0ubuntu1.2 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.28.2-0ubuntu1.3 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.28.2-0ubuntu1.4 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.28.3-0ubuntu18.04.1 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.28.3-0ubuntu18.04.3 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.28.3-0ubuntu18.04.4 | fixed |
| Ubuntu | gdm3 | 16.04 | 3.18.0-2ubuntu1 | vulnerable |
| Ubuntu | gdm3 | 16.04 | 3.18.0-2ubuntu2 | vulnerable |
| Ubuntu | gdm3 | 16.04 | 3.18.0-2ubuntu3 | vulnerable |
| Ubuntu | gdm3 | 16.04 | 3.18.0-2ubuntu4 | vulnerable |
| Ubuntu | gdm3 | 16.04 | 3.18.2-1ubuntu1 | vulnerable |
| Ubuntu | gdm3 | 16.04 | 3.18.2-1ubuntu2 | vulnerable |
| Ubuntu | gdm3 | 16.04 | 3.18.3-0ubuntu1 | vulnerable |
| Ubuntu | gdm3 | 16.04 | 3.18.3-0ubuntu2 | vulnerable |
| Ubuntu | gdm3 | 16.04 | 3.18.3-0ubuntu2.1 | vulnerable |
| Ubuntu | gdm3 | 16.04 | 3.18.3-0ubuntu2.2 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.26.1-3ubuntu2 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.26.1-3ubuntu3 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.26.2.1-0ubuntu1 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.26.2.1-2ubuntu1 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.26.2.1-2ubuntu2 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.27.90-0ubuntu1 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.27.92-0ubuntu1 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.28.0-0ubuntu1 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.28.2-0ubuntu1.2 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.28.2-0ubuntu1.3 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.28.2-0ubuntu1.4 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.28.3-0ubuntu18.04.1 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.28.3-0ubuntu18.04.3 | vulnerable |
| Ubuntu | gdm3 | 18.04 | 3.28.3-0ubuntu18.04.4 | fixed |
| Suse | gdm | linux enterprise module for desktop applications 15 | 3.26.2.1-13.19.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | gdm3 | source | sid | 3.30.2-3 | low | Not reported | [921764] |
| Debian | gdm3 | source | forky | 3.30.2-3 | low | Not reported | [921764] |
| Debian | gdm3 | source | trixie | 3.30.2-3 | low | Not reported | [921764] |
| Debian | gdm3 | source | bookworm | 3.30.2-3 | low | Not reported | [921764] |
| Ubuntu | gdm3 | deb | 18.04 | 3.28.3-0ubuntu18.04.4 | Not reported | USN-3892-1 | Not reported |
| Ubuntu | gdm3 | deb | 18.04 | 3.28.3-0ubuntu18.04.4 | Not reported | UBUNTU-CVE-2019-3825 | Not reported |
| Suse | gdm | rpm | linux enterprise module for desktop applications 15 | 3.26.2.1-13.19.2 | Not reported | SUSE-SU-2019:0527-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [gdm3]Fixed
Details (2)
43.0-3· amd64 · bookwormFixed · Fixed:
3.30.2-3dsa · gdm3 · debian · bookworm; dsa · gdm3 · debian · 12
43.0-3· arm64 · bookwormFixed · Fixed:
3.30.2-3dsa · gdm3 · debian · bookworm; dsa · gdm3 · debian · 12
- [gir1.2-gdm-1.0]Fixed
Source package: [gdm3]
Details (2)
43.0-3· amd64 · bookwormFixed · Fixed:
3.30.2-3dsa · gdm3 · debian · bookworm; dsa · gdm3 · debian · 12
43.0-3· arm64 · bookwormFixed · Fixed:
3.30.2-3dsa · gdm3 · debian · bookworm; dsa · gdm3 · debian · 12
- [libgdm1]Fixed
Source package: [gdm3]
Details (2)
43.0-3· amd64 · bookwormFixed · Fixed:
3.30.2-3dsa · gdm3 · debian · bookworm; dsa · gdm3 · debian · 12
43.0-3· arm64 · bookwormFixed · Fixed:
3.30.2-3dsa · gdm3 · debian · bookworm; dsa · gdm3 · debian · 12
- [libgdm-dev]Fixed
Source package: [gdm3]
Details (2)
43.0-3· amd64 · bookwormFixed · Fixed:
3.30.2-3dsa · gdm3 · debian · bookworm; dsa · gdm3 · debian · 12
43.0-3· arm64 · bookwormFixed · Fixed:
3.30.2-3dsa · gdm3 · debian · bookworm; dsa · gdm3 · debian · 12
[Debian 13 (Trixie)]
- [gdm3]Fixed
Details (2)
48.0-2· amd64 · trixieFixed · Fixed:
3.30.2-3dsa · gdm3 · debian · 13
48.0-2· arm64 · trixieFixed · Fixed:
3.30.2-3dsa · gdm3 · debian · 13
- [gir1.2-gdm-1.0]Fixed
Source package: [gdm3]
Details (2)
48.0-2· amd64 · trixieFixed · Fixed:
3.30.2-3dsa · gdm3 · debian · 13
48.0-2· arm64 · trixieFixed · Fixed:
3.30.2-3dsa · gdm3 · debian · 13
- [libgdm1]Fixed
Source package: [gdm3]
Details (2)
48.0-2· amd64 · trixieFixed · Fixed:
3.30.2-3dsa · gdm3 · debian · 13
48.0-2· arm64 · trixieFixed · Fixed:
3.30.2-3dsa · gdm3 · debian · 13
- [libgdm-dev]Fixed
Source package: [gdm3]
Details (2)
48.0-2· amd64 · trixieFixed · Fixed:
3.30.2-3dsa · gdm3 · debian · 13
48.0-2· arm64 · trixieFixed · Fixed:
3.30.2-3dsa · gdm3 · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2020_1766.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2019-3825]
- [https://osv.dev/vulnerability/SUSE-SU-2019:0527-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2019-3825]
- [https://osv.dev/vulnerability/USN-3892-1]
- [https://security-tracker.debian.org/tracker/CVE-2019-3825]
- [https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-3825.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2020/wid-sec-w-2026-4026.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]