CVE-2012-0955 · cross-distro fix matrix

CVE-2012-0955: software-properties was vulnerable to a person-in-the-middle attack due to incorrect TLS certificate validation in softwareproperties/ppa.py. software-properties didn't check TLS certificates under python2 and only checked certificates under python3 if a valid certificate bundle was provided. Fixed

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2012-0955 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

software-properties→ fixed in0.92.25debian1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y software-properties
```

Debian bookworm

Source: Debian Security Tracker

software-properties→ fixed in0.92.25debian1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y software-properties
```

Are YOU affected by CVE-2012-0955?

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.

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