CVE-2021-3481
An out-of-bounds read vulnerability was found in QRadialFetchSimd in qt/qtbase/src/gui/painting/qdrawhelper_p.h in Qt/Qtbase.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- EPSS
- 0.54% probability · 44th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- qt/qt
- Source
- secalert@redhat.com
References
- https://access.redhat.com/security/cve/CVE-2021-3481Third Party Advisory
- https://bugreports.qt.io/browse/QTBUG-91507Exploit, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1931444Issue Tracking, Third Party Advisory
- https://codereview.qt-project.org/c/qt/qtsvg/+/337646Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/08/msg00028.html
- https://access.redhat.com/security/cve/CVE-2021-3481Third Party Advisory
- https://bugreports.qt.io/browse/QTBUG-91507Exploit, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1931444Issue Tracking, Third Party Advisory
- https://codereview.qt-project.org/c/qt/qtsvg/+/337646Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/08/msg00028.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.