CVE-2023-3138 · cross-distro fix matrix

CVE-2023-3138: A vulnerability was found in libX11. The security flaw occurs because the functions in src/InitExt.c in libX11 do not check that the values provided for the Request, Event, or Error IDs are within the bounds of the arrays that those functions write to, using those IDs as array indexes. They trust th

Affects 4 Linux releases across 4 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2023-3138 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libx11→ fixed in2:1.7.2-1+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libx11
```

Debian bookworm

Source: Debian Security Tracker

libx11→ fixed in2:1.8.4-2+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libx11
```

Debian trixie

Source: Debian Security Tracker

libx11→ fixed in2:1.8.6-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libx11
```

Alpine v3.18

Source: Alpine secdb

libx11→ fixed in1.8.4-r4
```
apk update && apk add --upgrade libx11
```

Are YOU affected by CVE-2023-3138?

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

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