CVE-2020-13962 · cross-distro fix matrix

CVE-2020-13962: Qt 5.12.2 through 5.14.2, as used in unofficial builds of Mumble 1.3.0 and other products, mishandles OpenSSL's error queue, which can cause a denial of service to QSslSocket users. Because errors leak in unrelated TLS sessions, an unrelated session may be disconnected when any handshake fails. (Mum

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-13962 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

qtbase-opensource-src→ fixed in5.14.2+dfsg-6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qtbase-opensource-src
```

Debian bookworm

Source: Debian Security Tracker

qtbase-opensource-src→ fixed in5.14.2+dfsg-6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qtbase-opensource-src
```

Debian trixie

Source: Debian Security Tracker

qtbase-opensource-src→ fixed in5.14.2+dfsg-6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y qtbase-opensource-src
```

Are YOU affected by CVE-2020-13962?

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

CVE-2020-13962dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)