CVE catalog

CVE-2015-0856

sddm: CVE-2015-0856

Severity: Medium
Published: Nov 24, 2015, 8:59:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.41% · Oct 25, 2026

daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which allows local users to gain privileges by crashing a greeter when using certain themes, as demonstrated by the plasma-workspace breeze theme.

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	sddm	sid	`0.21.0+git20260819.da0b64d-1`	fixed
Debian	sddm	forky	`0.21.0+git20260819.da0b64d-1`	fixed
Debian	sddm	trixie	`0.21.0+git20250502.4fe234b-2`	fixed
Debian	sddm	bookworm	`0.19.0-5`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	sddm	source	sid	`0.12.0-5`	low	Not reported	[803336]
Debian	sddm	source	forky	`0.12.0-5`	low	Not reported	[803336]
Debian	sddm	source	trixie	`0.12.0-5`	low	Not reported	[803336]
Debian	sddm	source	bookworm	`0.12.0-5`	low	Not reported	[803336]

[Debian bug #803336]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[sddm]Fixed
Details (2)
- 0.19.0-5 · amd64 · bookworm
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · bookworm; dsa · sddm · debian · 12
- 0.19.0-5 · arm64 · bookworm
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · bookworm; dsa · sddm · debian · 12
[sddm-theme-debian-elarun]Fixed
Source package: [sddm]
Details (2)
- 0.19.0-5 · all · bookworm
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · bookworm; dsa · sddm · debian · 12
- 0.19.0-5 · all · bookworm
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · bookworm; dsa · sddm · debian · 12
[sddm-theme-debian-maui]Fixed
Source package: [sddm]
Details (2)
- 0.19.0-5 · all · bookworm
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · bookworm; dsa · sddm · debian · 12
- 0.19.0-5 · all · bookworm
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · bookworm; dsa · sddm · debian · 12
[sddm-theme-elarun]Fixed
Source package: [sddm]
Details (2)
- 0.19.0-5 · all · bookworm
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · bookworm; dsa · sddm · debian · 12
- 0.19.0-5 · all · bookworm
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · bookworm; dsa · sddm · debian · 12
[sddm-theme-maldives]Fixed
Source package: [sddm]
Details (2)
- 0.19.0-5 · all · bookworm
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · bookworm; dsa · sddm · debian · 12
- 0.19.0-5 · all · bookworm
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · bookworm; dsa · sddm · debian · 12
[sddm-theme-maui]Fixed
Source package: [sddm]
Details (2)
- 0.19.0-5 · all · bookworm
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · bookworm; dsa · sddm · debian · 12
- 0.19.0-5 · all · bookworm
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · bookworm; dsa · sddm · debian · 12
[sddm-theme-maya]Fixed
Source package: [sddm]
Details (2)
- 0.19.0-5 · all · bookworm
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · bookworm; dsa · sddm · debian · 12
- 0.19.0-5 · all · bookworm
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · bookworm; dsa · sddm · debian · 12

[Debian 13 (Trixie)]

[sddm]Fixed
Details (2)
- 0.21.0+git20250502.4fe234b-2 · amd64 · trixie
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · 13
- 0.21.0+git20250502.4fe234b-2 · arm64 · trixie
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · 13
[sddm-theme-debian-elarun]Fixed
Source package: [sddm]
Details (2)
- 0.21.0+git20250502.4fe234b-2 · all · trixie
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · 13
- 0.21.0+git20250502.4fe234b-2 · all · trixie
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · 13
[sddm-theme-debian-maui]Fixed
Source package: [sddm]
Details (2)
- 0.21.0+git20250502.4fe234b-2 · all · trixie
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · 13
- 0.21.0+git20250502.4fe234b-2 · all · trixie
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · 13
[sddm-theme-elarun]Fixed
Source package: [sddm]
Details (2)
- 0.21.0+git20250502.4fe234b-2 · all · trixie
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · 13
- 0.21.0+git20250502.4fe234b-2 · all · trixie
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · 13
[sddm-theme-maldives]Fixed
Source package: [sddm]
Details (2)
- 0.21.0+git20250502.4fe234b-2 · all · trixie
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · 13
- 0.21.0+git20250502.4fe234b-2 · all · trixie
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · 13
[sddm-theme-maui]Fixed
Source package: [sddm]
Details (2)
- 0.21.0+git20250502.4fe234b-2 · all · trixie
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · 13
- 0.21.0+git20250502.4fe234b-2 · all · trixie
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · 13
[sddm-theme-maya]Fixed
Source package: [sddm]
Details (2)
- 0.21.0+git20250502.4fe234b-2 · all · trixie
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · 13
- 0.21.0+git20250502.4fe234b-2 · all · trixie
  Fixed · Fixed: 0.12.0-5
  dsa · sddm · debian · 13

Observed: Oct 23, 2026, 5:14:07 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]