CVE-2012-4286 · cross-distro fix matrix

CVE-2012-4286: The pcapng_read_packet_block function in wiretap/pcapng.c in the pcap-ng file parser in Wireshark 1.8.x before 1.8.2 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted pcap-ng file.

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

Fix per ecosystem

Each block below is a distro release where CVE-2012-4286 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

wireshark→ fixed in1.8.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wireshark
```

Debian bookworm

Source: Debian Security Tracker

wireshark→ fixed in1.8.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wireshark
```

Debian trixie

Source: Debian Security Tracker

wireshark→ fixed in1.8.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wireshark
```

Are YOU affected by CVE-2012-4286?

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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