gdm: Crash when holding Escape in log screen
Published Nov 24, 2015
4.3
MEDIUMCVSS 3.0
EPSS 0.41%
Description
GNOME Display Manager (gdm) before 3.18.2 allows physically proximate attackers to bypass the lock screen by holding the Escape key.
Affected products
No data.
Configuration 1
- 23
Configuration 2
- ≤ 3.18.0
No data.
Red Hat Enterprise Linux 7
gdm-1:3.22.3-11.el7
Fixed · RHSA-2017:2128
Red Hat Enterprise Linux 7
gnome-session-0:3.22.3-4.el7
Fixed · RHSA-2017:2128
Red Hat Enterprise Linux 5
gdm
Not affected
Red Hat Enterprise Linux 6
gdm
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | gdm-1:3.22.3-11.el7 | Fixed | RHSA-2017:2128 |
| Red Hat Enterprise Linux 7 | gnome-session-0:3.22.3-4.el7 | Fixed | RHSA-2017:2128 |
| Red Hat Enterprise Linux 5 | gdm | Not affected | n/a |
| Red Hat Enterprise Linux 6 | gdm | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.41% (0.00406) | 32.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.41% (0.00406) | 32.09th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.09% (0.00088) | 22.99th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00062) | 28.60th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.06% (0.00062) | 26.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00062) | 24.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
References (10)
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172328.html vendor-advisoryx_refsource_FEDORA
- http://www.openwall.com/lists/oss-security/2015/11/17/10 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2015/11/17/8 mailing-listx_refsource_MLIST
- https://access.redhat.com/errata/RHSA-2017:2128 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2015-7496 Vendor Advisory
- https://bugzilla.gnome.org/show_bug.cgi?id=758032 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1283279 Issue Tracking
- https://download.gnome.org/sources/gdm/3.18/gdm-3.18.2.news x_refsource_CONFIRMPatch
- https://nvd.nist.gov/vuln/detail/CVE-2015-7496
- https://www.cve.org/CVERecord?id=CVE-2015-7496
| Link | Providers | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172328.html | vendor-advisoryx_refsource_FEDORA | |
| http://www.openwall.com/lists/oss-security/2015/11/17/10 | mailing-listx_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2015/11/17/8 | mailing-listx_refsource_MLIST | |
| https://access.redhat.com/errata/RHSA-2017:2128 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2015-7496 | Vendor Advisory | |
| https://bugzilla.gnome.org/show_bug.cgi?id=758032 | x_refsource_CONFIRM | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1283279 | Issue Tracking | |
| https://download.gnome.org/sources/gdm/3.18/gdm-3.18.2.news | x_refsource_CONFIRMPatch | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-7496 | ||
| https://www.cve.org/CVERecord?id=CVE-2015-7496 |
Change history (0)
No recorded changes yet.