CVE-2018-7186 · cross-distro fix matrix

CVE-2018-7186: Leptonica before 1.75.3 does not limit the number of characters in a %s format argument to fscanf or sscanf, which allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a long string, as demonstrated by the gplotRead and ptaR

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-7186 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

leptonlib→ fixed in1.75.3-2urgency: low

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

Debian bookworm

Source: Debian Security Tracker

leptonlib→ fixed in1.75.3-2urgency: low

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

Debian trixie

Source: Debian Security Tracker

leptonlib→ fixed in1.75.3-2urgency: low

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

Are YOU affected by CVE-2018-7186?

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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