CVE-2019-18281
MEDIUM4.3EPSS 1.7%qtbase-opensource-src - security update
Published: 10/23/2019Modified: 4/28/2026
Description
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.
Affected packages (3)
- Debian/qtbase-opensource-srcfrom 0, < 5.12.5+dfsg-2
- Debian/qtbase-opensource-srcfrom 0, < 5.11.3+dfsg1-1+deb10u1
- Debian/qtbase-opensource-src-glesfrom 0, < 5.12.5+dfsg-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |