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CVE-2021-20312 · cross-distro fix matrix

CVE-2021-20312: A flaw was found in ImageMagick in versions 7.0.11, where an integer overflow in WriteTHUMBNAILImage of coders/thumbnail.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. The highest threat from this vulnerab

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-20312 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • imagemagick→ fixed in8:6.9.11.60+dfsg-1.3+deb11u4urgency: not yet assigned
    sudo apt-get install --only-upgrade -y imagemagick

Debian bookworm

Source: Debian Security Tracker

  • imagemagick→ fixed in8:6.9.11.60+dfsg-1.5urgency: not yet assigned
    sudo apt-get install --only-upgrade -y imagemagick

Debian trixie

Source: Debian Security Tracker

  • imagemagick→ fixed in8:6.9.11.60+dfsg-1.5urgency: not yet assigned
    sudo apt-get install --only-upgrade -y imagemagick

Alpine v3.20

Source: Alpine secdb

  • imagemagick→ fixed in7.0.11.1-r0
    apk update && apk add --upgrade imagemagick

Alpine v3.21

Source: Alpine secdb

  • imagemagick→ fixed in7.0.11.1-r0
    apk update && apk add --upgrade imagemagick

Alpine edge

Source: Alpine secdb

  • imagemagick→ fixed in7.0.11.1-r0
    apk update && apk add --upgrade imagemagick

Alpine v3.18

Source: Alpine secdb

  • imagemagick→ fixed in7.0.11.1-r0
    apk update && apk add --upgrade imagemagick

Alpine v3.19

Source: Alpine secdb

  • imagemagick→ fixed in7.0.11.1-r0
    apk update && apk add --upgrade imagemagick
Are YOU affected by CVE-2021-20312?

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