CVE-2013-4852 · cross-distro fix matrix

CVE-2013-4852: Integer overflow in PuTTY 0.62 and earlier, WinSCP before 5.1.6, and other products that use PuTTY allows remote SSH servers to cause a denial of service (crash) and possibly execute arbitrary code in certain applications that use PuTTY via a negative size value in an RSA key signature during the SS

Affects 3 Linux releases across 6 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2013-4852 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

filezilla→ fixed in3.7.3-1urgency: low

sudo apt-get install --only-upgrade -y filezilla

putty→ fixed in0.63-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y putty
```

Debian bookworm

Source: Debian Security Tracker

filezilla→ fixed in3.7.3-1urgency: low

sudo apt-get install --only-upgrade -y filezilla

putty→ fixed in0.63-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y putty
```

Debian trixie

Source: Debian Security Tracker

filezilla→ fixed in3.7.3-1urgency: low

sudo apt-get install --only-upgrade -y filezilla

putty→ fixed in0.63-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y putty
```

Are YOU affected by CVE-2013-4852?

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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