CVE-2010-2023 · cross-distro fix matrix

CVE-2010-2023: transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user's file.

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

Fix per ecosystem

Each block below is a distro release where CVE-2010-2023 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

exim4→ fixed in4.72-1urgency: low

sudo apt-get install --only-upgrade -y exim4

Debian bookworm

Source: Debian Security Tracker

exim4→ fixed in4.72-1urgency: low

sudo apt-get install --only-upgrade -y exim4

Debian trixie

Source: Debian Security Tracker

exim4→ fixed in4.72-1urgency: low

sudo apt-get install --only-upgrade -y exim4

Are YOU affected by CVE-2010-2023?

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

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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