CVE-2019-18281
qtbase-opensource-src - security update
4.3
MEDIUM
CVSS 3.1
EPSS 1.7%
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.
How to fix CVE-2019-18281
To remediate CVE-2019-18281, upgrade the affected package to a fixed version below.
- —upgrade to 5.12.5+dfsg-2 or later
- —upgrade to 5.11.3+dfsg1-1+deb10u1 or later
- —upgrade to 5.12.5+dfsg-1 or later
Is CVE-2019-18281 being exploited?
Low — EPSS is 1.7%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 5.12.5+dfsg-2
- from 0, < 5.11.3+dfsg1-1+deb10u1
- from 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 |