CVE-2012-2374 · cross-distro fix matrix

CVE-2012-2374: CRLF injection vulnerability in the tornado.web.RequestHandler.set_header function in Tornado before 2.2.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via crafted input.

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

Fix per ecosystem

Each block below is a distro release where CVE-2012-2374 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

python-tornado→ fixed in2.1.0-3urgency: low

sudo apt-get install --only-upgrade -y python-tornado

Debian bookworm

Source: Debian Security Tracker

python-tornado→ fixed in2.1.0-3urgency: low

sudo apt-get install --only-upgrade -y python-tornado

Debian trixie

Source: Debian Security Tracker

python-tornado→ fixed in2.1.0-3urgency: low

sudo apt-get install --only-upgrade -y python-tornado

Are YOU affected by CVE-2012-2374?

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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