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CVE-2021-23727 · cross-distro fix matrix

CVE-2021-23727: This affects the package celery before 5.2.2. It by default trusts the messages and metadata stored in backends (result stores). When reading task metadata from the backend, the data is deserialized. Given that an attacker can gain access to, or somehow manipulate the metadata within a celery backen

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-23727 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

  • celery→ fixed in5.2.3-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y celery

Debian trixie

Source: Debian Security Tracker

  • celery→ fixed in5.2.3-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y celery
Are YOU affected by CVE-2021-23727?

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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