CVE-2006-5397 · cross-distro fix matrix

CVE-2006-5397: The Xinput module (modules/im/ximcp/imLcIm.c) in X.Org libX11 1.0.2 and 1.0.3 opens a file for reading twice using the same file descriptor, which causes a file descriptor leak that allows local users to read files specified by the XCOMPOSEFILE environment variable via the duplicate file descriptor.

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

Fix per ecosystem

Each block below is a distro release where CVE-2006-5397 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libx11→ fixed in2:1.0.3-3urgency: low

sudo apt-get install --only-upgrade -y libx11

Debian bookworm

Source: Debian Security Tracker

libx11→ fixed in2:1.0.3-3urgency: low

sudo apt-get install --only-upgrade -y libx11

Debian trixie

Source: Debian Security Tracker

libx11→ fixed in2:1.0.3-3urgency: low

sudo apt-get install --only-upgrade -y libx11

Are YOU affected by CVE-2006-5397?

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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