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CVE-2021-22922 · cross-distro fix matrix

CVE-2021-22922: When curl is instructed to download content using the metalink feature, thecontents is verified against a hash provided in the metalink XML file.The metalink XML file points out to the client how to get the same contentfrom a set of different URLs, potentially hosted by different servers and theclie

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-22922 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

  • curl→ fixed in7.79.1-1urgency: unimportant
    sudo apt-get install --only-upgrade -y curl

Debian trixie

Source: Debian Security Tracker

  • curl→ fixed in7.79.1-1urgency: unimportant
    sudo apt-get install --only-upgrade -y curl

Alpine v3.20

Source: Alpine secdb

  • curl→ fixed in7.78.0-r0
    apk update && apk add --upgrade curl

Alpine v3.21

Source: Alpine secdb

  • curl→ fixed in7.78.0-r0
    apk update && apk add --upgrade curl

Alpine edge

Source: Alpine secdb

  • curl→ fixed in7.78.0-r0
    apk update && apk add --upgrade curl

Alpine v3.18

Source: Alpine secdb

  • curl→ fixed in7.78.0-r0
    apk update && apk add --upgrade curl

Alpine v3.19

Source: Alpine secdb

  • curl→ fixed in7.78.0-r0
    apk update && apk add --upgrade curl
Are YOU affected by CVE-2021-22922?

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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CVE-2021-22922dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

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