CVE-2021-3481
qt4-x11 - security update
7.1
HIGH
CVSS 3.1
EPSS 0.06%
Description
A flaw was found in Qt. An out-of-bounds read vulnerability was found in QRadialFetchSimd in qt/qtbase/src/gui/painting/qdrawhelper_p.h in Qt/Qtbase. While rendering and displaying a crafted Scalable Vector Graphics (SVG) file this flaw may lead to an unauthorized memory access. The highest threat from this vulnerability is to data confidentiality and the application availability.
How to fix CVE-2021-3481
To remediate CVE-2021-3481, upgrade the affected package to a fixed version below.
- —upgrade to 4:4.8.7+dfsg-11+deb9u3 or later
- —upgrade to 4:4.8.7+dfsg-18+deb10u2 or later
- —upgrade to 5.15.2-3 or later
- —upgrade to 5.7.1~20161021-2.1+deb9u1 or later
Is CVE-2021-3481 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 4:4.8.7+dfsg-11+deb9u3
- from 0, < 4:4.8.7+dfsg-18+deb10u2
- from 0, < 5.15.2-3
- from 0, < 5.7.1~20161021-2.1+deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H |