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CVE-2018-7420 · cross-distro fix matrix

CVE-2018-7420: In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a block-size check for sysdig event blocks.

Affects 8 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2018-7420 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • wireshark→ fixed in2.4.5-1urgency: low
    sudo apt-get install --only-upgrade -y wireshark

Debian bookworm

Source: Debian Security Tracker

  • wireshark→ fixed in2.4.5-1urgency: low
    sudo apt-get install --only-upgrade -y wireshark

Debian trixie

Source: Debian Security Tracker

  • wireshark→ fixed in2.4.5-1urgency: low
    sudo apt-get install --only-upgrade -y wireshark

Alpine v3.20

Source: Alpine secdb

  • wireshark→ fixed in2.4.5-r0
    apk update && apk add --upgrade wireshark

Alpine v3.21

Source: Alpine secdb

  • wireshark→ fixed in2.4.5-r0
    apk update && apk add --upgrade wireshark

Alpine edge

Source: Alpine secdb

  • wireshark→ fixed in2.4.5-r0
    apk update && apk add --upgrade wireshark

Alpine v3.18

Source: Alpine secdb

  • wireshark→ fixed in2.4.5-r0
    apk update && apk add --upgrade wireshark

Alpine v3.19

Source: Alpine secdb

  • wireshark→ fixed in2.4.5-r0
    apk update && apk add --upgrade wireshark
Are YOU affected by CVE-2018-7420?

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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