CVE-2021-3481 · cross-distro fix matrix

CVE-2021-3481: 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 f

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-3481 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

qtsvg-opensource-src→ fixed in5.15.2-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qtsvg-opensource-src
```

Debian bookworm

Source: Debian Security Tracker

qtsvg-opensource-src→ fixed in5.15.2-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qtsvg-opensource-src
```

Debian trixie

Source: Debian Security Tracker

qtsvg-opensource-src→ fixed in5.15.2-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qtsvg-opensource-src
```

Are YOU affected by CVE-2021-3481?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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