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CVE-2023-48230 · cross-distro fix matrix

CVE-2023-48230: Cap'n Proto is a data interchange format and capability-based RPC system. In versions 1.0 and 1.0.1, when using the KJ HTTP library with WebSocket compression enabled, a buffer underrun can be caused by a remote peer. The underrun always writes a constant value that is not attacker-controlled, likel

Affects 1 Linux release across 1 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2023-48230 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

  • capnproto→ fixed in1.0.1-3urgency: not yet assigned
    sudo apt-get install --only-upgrade -y capnproto
Are YOU affected by CVE-2023-48230?

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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