CVE catalog

CVE-2019-18281

qtbase-opensource-src: CVE-2019-18281

Severity: Medium · CVSS 4.3CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Published: Oct 23, 2019, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 2.05% · Oct 25, 2026

An out-of-bounds memory access in the generateDirectionalRuns() function in qtextengine.cpp in Qt qtbase 5.11.x and 5.12.x before 5.12.5 allows attackers to cause a denial of service by crashing an application via a text file containing many directional characters.

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	qtbase-opensource-src	sid	`5.15.19+dfsg-6`	fixed
Debian	qtbase-opensource-src	forky	`5.15.19+dfsg-5`	fixed
Debian	qtbase-opensource-src	trixie	`5.15.15+dfsg-6+deb13u1`	fixed
Debian	qtbase-opensource-src	bookworm	`5.15.8+dfsg-11+deb12u3`	fixed
Debian	qtbase-opensource-src-gles	sid	`5.15.19+dfsg-2`	fixed
Debian	qtbase-opensource-src-gles	forky	`5.15.19+dfsg-2`	fixed
Debian	qtbase-opensource-src-gles	trixie	`5.15.15+dfsg-2`	fixed
Debian	qtbase-opensource-src-gles	bookworm	`5.15.8+dfsg-3`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	qtbase-opensource-src	source	sid	`5.12.5+dfsg-2`	not yet assigned	Not reported	Not reported
Debian	qtbase-opensource-src	source	forky	`5.12.5+dfsg-2`	not yet assigned	Not reported	Not reported
Debian	qtbase-opensource-src	source	trixie	`5.12.5+dfsg-2`	not yet assigned	Not reported	Not reported
Debian	qtbase-opensource-src	source	bookworm	`5.12.5+dfsg-2`	not yet assigned	Not reported	Not reported
Debian	qtbase-opensource-src-gles	source	sid	`5.12.5+dfsg-1`	not yet assigned	Not reported	Not reported
Debian	qtbase-opensource-src-gles	source	forky	`5.12.5+dfsg-1`	not yet assigned	Not reported	Not reported
Debian	qtbase-opensource-src-gles	source	trixie	`5.12.5+dfsg-1`	not yet assigned	Not reported	Not reported
Debian	qtbase-opensource-src-gles	source	bookworm	`5.12.5+dfsg-1`	not yet assigned	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libqt5concurrent5]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5core5a]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5dbus5]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5gui5]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5gui5-gles]Fixed
Source package: [qtbase-opensource-src-gles]
Details (2)
- 5.15.8+dfsg-3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-1
  dsa · qtbase-opensource-src-gles · debian · bookworm; dsa · qtbase-opensource-src-gles · debian · 12
- 5.15.8+dfsg-3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-1
  dsa · qtbase-opensource-src-gles · debian · bookworm; dsa · qtbase-opensource-src-gles · debian · 12
[libqt5network5]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5opengl5]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5opengl5-dev]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5printsupport5]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5sql5]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5sql5-ibase]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5sql5-mysql]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5sql5-odbc]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5sql5-psql]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5sql5-sqlite]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5sql5-tds]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5test5]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5widgets5]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[libqt5xml5]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
[qt5-flatpak-platformtheme]Fixed
Source package: [qtbase-opensource-src]
Details (2)
- 5.15.8+dfsg-11+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12
- 5.15.8+dfsg-11+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 5.12.5+dfsg-2
  dsa · qtbase-opensource-src · debian · bookworm; dsa · qtbase-opensource-src · debian · 12

Next results

Observed: Oct 23, 2026, 5:41:58 PM UTC

References

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