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CVE-2018-18506 · cross-distro fix matrix

CVE-2018-18506: When proxy auto-detection is enabled, if a web server serves a Proxy Auto-Configuration (PAC) file or if a PAC file is loaded locally, this PAC file can specify that requests to the localhost are to be sent through the proxy to another server. This behavior is disallowed by default when a proxy is m

Affects 8 Linux releases across 11 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2018-18506 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • firefox-esr→ fixed in60.6.0esr-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y firefox-esr
  • thunderbird→ fixed in1:60.6.1-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y thunderbird

Debian bookworm

Source: Debian Security Tracker

  • firefox-esr→ fixed in60.6.0esr-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y firefox-esr
  • thunderbird→ fixed in1:60.6.1-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y thunderbird

Debian trixie

Source: Debian Security Tracker

  • firefox-esr→ fixed in60.6.0esr-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y firefox-esr
  • thunderbird→ fixed in1:60.6.1-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y thunderbird

Alpine v3.20

Source: Alpine secdb

  • firefox-esr→ fixed in60.6.1-r0
    apk update && apk add --upgrade firefox-esr

Alpine v3.21

Source: Alpine secdb

  • firefox-esr→ fixed in60.6.1-r0
    apk update && apk add --upgrade firefox-esr

Alpine edge

Source: Alpine secdb

  • firefox-esr→ fixed in60.6.1-r0
    apk update && apk add --upgrade firefox-esr

Alpine v3.18

Source: Alpine secdb

  • firefox-esr→ fixed in60.6.1-r0
    apk update && apk add --upgrade firefox-esr

Alpine v3.19

Source: Alpine secdb

  • firefox-esr→ fixed in60.6.1-r0
    apk update && apk add --upgrade firefox-esr
Are YOU affected by CVE-2018-18506?

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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