CVE-2021-26957 · cross-distro fix matrix

CVE-2021-26957: An issue was discovered in the xcb crate through 2021-02-04 for Rust. It has a soundness violation because there is an out-of-bounds read in xcb::xproto::change_property(), as demonstrated by a format=32 T=u8 situation where out-of-bounds bytes are sent to an X server.

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-26957 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

rust-xcb→ fixed in1.1.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y rust-xcb
```

Debian trixie

Source: Debian Security Tracker

rust-xcb→ fixed in1.1.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y rust-xcb
```

Are YOU affected by CVE-2021-26957?

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

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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