A qt4-x11 security update has been released for Debian GNU/Linux 10 LTS to address several vulnerabilities.

[SECURITY] [DLA 3539-1] qt4-x11 security update

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Debian LTS Advisory DLA-3539-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Roberto C. Sánchez
August 22, 2023 https://wiki.debian.org/LTS
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Package : qt4-x11
Version : 4:4.8.7+dfsg-18+deb10u2
CVE ID : CVE-2021-3481 CVE-2021-45930 CVE-2023-32573 CVE-2023-32763
CVE-2023-34410 CVE-2023-37369 CVE-2023-38197

Several vulnerabilities have been found in qt4-x11, a graphical
windowing toolkit.

CVE-2021-3481

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.

CVE-2021-45930

An out-of-bounds write in
QtPrivate::QCommonArrayOps::growAppend
(called from QPainterPath::addPath and QPathClipper::intersect).

CVE-2023-32573

Uninitialized variable usage in m_unitsPerEm.

CVE-2023-32763

An application crash in QXmlStreamReader via a crafted XML string
that triggers a situation in which a prefix is greater than a
length.

CVE-2023-34410

Certificate validation for TLS does not always consider whether the
root of a chain is a configured CA certificate.

CVE-2023-37369

There can be an application crash in QXmlStreamReader via a crafted
XML string that triggers a situation in which a prefix is greater
than a length.

CVE-2023-38197

There are infinite loops in recursive entity expansion.

For Debian 10 buster, these problems have been fixed in version
4:4.8.7+dfsg-18+deb10u2.

We recommend that you upgrade your qt4-x11 packages.

For the detailed security status of qt4-x11 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/qt4-x11

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS