CVE-2018-20847 · cross-distro fix matrix

CVE-2018-20847: An improper computation of p_tx0, p_tx1, p_ty0 and p_ty1 in the function opj_get_encoding_parameters in openjp2/pi.c in OpenJPEG through 2.3.0 can lead to an integer overflow.

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-20847 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

openjpeg2→ fixed in2.3.1-1urgency: low

sudo apt-get install --only-upgrade -y openjpeg2

Debian bookworm

Source: Debian Security Tracker

openjpeg2→ fixed in2.3.1-1urgency: low

sudo apt-get install --only-upgrade -y openjpeg2

Debian trixie

Source: Debian Security Tracker

openjpeg2→ fixed in2.3.1-1urgency: low

sudo apt-get install --only-upgrade -y openjpeg2

Are YOU affected by CVE-2018-20847?

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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