CVE-2009-2661 · cross-distro fix matrix

CVE-2009-2661: The asn1_length function in strongSwan 2.8 before 2.8.11, 4.2 before 4.2.17, and 4.3 before 4.3.3 does not properly handle X.509 certificates with crafted Relative Distinguished Names (RDNs), which allows remote attackers to cause a denial of service (pluto IKE daemon crash) via malformed ASN.1 data

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

Fix per ecosystem

Each block below is a distro release where CVE-2009-2661 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

strongswan→ fixed in4.3.2-1.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y strongswan
```

Debian bookworm

Source: Debian Security Tracker

strongswan→ fixed in4.3.2-1.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y strongswan
```

Debian trixie

Source: Debian Security Tracker

strongswan→ fixed in4.3.2-1.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y strongswan
```

Are YOU affected by CVE-2009-2661?

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