CVE-2009-4377 · cross-distro fix matrix

CVE-2009-4377: The (1) SMB and (2) SMB2 dissectors in Wireshark 0.9.0 through 1.2.4 allow remote attackers to cause a denial of service (crash) via a crafted packet that triggers a NULL pointer dereference, as demonstrated by fuzz-2009-12-07-11141.pcap.

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

Fix per ecosystem

Each block below is a distro release where CVE-2009-4377 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

wireshark→ fixed in1.2.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wireshark
```

Debian bookworm

Source: Debian Security Tracker

wireshark→ fixed in1.2.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wireshark
```

Debian trixie

Source: Debian Security Tracker

wireshark→ fixed in1.2.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wireshark
```

Are YOU affected by CVE-2009-4377?

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

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