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CVE-2020-27823 · cross-distro fix matrix

CVE-2020-27823: A flaw was found in OpenJPEG’s encoder. This flaw allows an attacker to pass specially crafted x,y offset input to OpenJPEG to use during encoding. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Affects 8 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-27823 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • openjpeg2→ fixed in2.4.0-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y openjpeg2

Debian bookworm

Source: Debian Security Tracker

  • openjpeg2→ fixed in2.4.0-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y openjpeg2

Debian trixie

Source: Debian Security Tracker

  • openjpeg2→ fixed in2.4.0-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y openjpeg2

Alpine v3.20

Source: Alpine secdb

  • openjpeg→ fixed in2.3.1-r6
    apk update && apk add --upgrade openjpeg

Alpine v3.21

Source: Alpine secdb

  • openjpeg→ fixed in2.3.1-r6
    apk update && apk add --upgrade openjpeg

Alpine edge

Source: Alpine secdb

  • openjpeg→ fixed in2.3.1-r6
    apk update && apk add --upgrade openjpeg

Alpine v3.18

Source: Alpine secdb

  • openjpeg→ fixed in2.3.1-r6
    apk update && apk add --upgrade openjpeg

Alpine v3.19

Source: Alpine secdb

  • openjpeg→ fixed in2.3.1-r6
    apk update && apk add --upgrade openjpeg
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