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CVE-2021-41159 · cross-distro fix matrix

CVE-2021-41159: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. All FreeRDP clients prior to version 2.4.1 using gateway connections (`/gt:rpc`) fail to validate input data. A malicious gateway might allow client memory to be written out of bounds. This issu

Affects 6 Linux releases across 7 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-41159 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

  • freerdp2→ fixed in2.4.1+dfsg1-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y freerdp2

Alpine v3.20

Source: Alpine secdb

  • freerdp→ fixed in2.4.1-r0
    apk update && apk add --upgrade freerdp

Alpine v3.21

Source: Alpine secdb

  • freerdp→ fixed in2.4.1-r0
    apk update && apk add --upgrade freerdp

Alpine edge

Source: Alpine secdb

  • freerdp→ fixed in2.4.1-r0
    apk update && apk add --upgrade freerdp
  • freerdp2→ fixed in2.4.1-r0
    apk update && apk add --upgrade freerdp2

Alpine v3.18

Source: Alpine secdb

  • freerdp→ fixed in2.4.1-r0
    apk update && apk add --upgrade freerdp

Alpine v3.19

Source: Alpine secdb

  • freerdp→ fixed in2.4.1-r0
    apk update && apk add --upgrade freerdp
Are YOU affected by CVE-2021-41159?

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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