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TI-2019-13289 Aliases CVE-2019-18281GHSA-92xj-745q-j6qr

An out-of-bounds memory access in the generateDirectionalRuns() function in…

Priority LOW 24CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

EPSS 0.0205 81st percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:*5.11.0 – 5.11.3; 5.12.0 to before 5.12.5Vulnerableqt
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
  • cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:* Versions 5.11.0 – 5.11.3; 5.12.0 to before 5.12.5 Vulnerable ·qt
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian

Remediation

Red Hat 1 advisory

  • RHSA-2020:1665 Released 2020-04-29 · Red Hat rating Moderate
    qt5 security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 8) python3-qt5-devel-5.13.1-1.el8, python3-sip-devel-4.19.19-1.el8, qt5-devel-5.12.5-3.el8 +6
    • Red Hat Enterprise Linux AppStream (v. 8) python-qt5-5.13.1-1.el8, python-qt5-rpm-macros-5.13.1-1.el8, python3-pyqt5-sip-4.19.19-1.el8 +47

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2020:1665
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2020:1665
Not affected: 1 product
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-18281
  2. 2026-10-03 Alias added: GHSA-92xj-745q-j6qr

References

Patch 1

Advisory 5

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences