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CVE-2017-11556 · cross-distro fix matrix

CVE-2017-11556: There is a stack consumption vulnerability in the Parser::advanceToNextToken function in parser.cpp in LibSass 3.4.5. A crafted input may lead to remote denial of service.

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

Fix per ecosystem

Each block below is a distro release where CVE-2017-11556 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • libsass→ fixed in3.5.4-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libsass

Debian bookworm

Source: Debian Security Tracker

  • libsass→ fixed in3.5.4-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libsass

Debian trixie

Source: Debian Security Tracker

  • libsass→ fixed in3.5.4-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libsass
Are YOU affected by CVE-2017-11556?

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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