CVE-2022-48566 · cross-distro fix matrix

CVE-2022-48566: An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.compare_digest.

Affects 3 Linux releases across 5 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2022-48566 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

pypy3→ fixed in7.3.5+dfsg-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pypy3
```
python2.7→ fixed in2.7.18-8+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y python2.7
```
python3.9→ fixed in3.9.1~rc1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y python3.9
```

Debian bookworm

Source: Debian Security Tracker

pypy3→ fixed in7.3.5+dfsg-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pypy3
```

Debian trixie

Source: Debian Security Tracker

pypy3→ fixed in7.3.5+dfsg-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pypy3
```

Are YOU affected by CVE-2022-48566?

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

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