CVE-2018-14598 · cross-distro fix matrix

CVE-2018-14598: An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault).

Affects 8 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2018-14598 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libx11→ fixed in2:1.6.6-1urgency: low

sudo apt-get install --only-upgrade -y libx11

Debian bookworm

Source: Debian Security Tracker

libx11→ fixed in2:1.6.6-1urgency: low

sudo apt-get install --only-upgrade -y libx11

Debian trixie

Source: Debian Security Tracker

libx11→ fixed in2:1.6.6-1urgency: low

sudo apt-get install --only-upgrade -y libx11

Alpine v3.20

Source: Alpine secdb

libx11→ fixed in1.6.6-r0
```
apk update && apk add --upgrade libx11
```

Alpine v3.21

Source: Alpine secdb

libx11→ fixed in1.6.6-r0
```
apk update && apk add --upgrade libx11
```

Alpine edge

Source: Alpine secdb

libx11→ fixed in1.6.6-r0
```
apk update && apk add --upgrade libx11
```

Alpine v3.18

Source: Alpine secdb

libx11→ fixed in1.6.6-r0
```
apk update && apk add --upgrade libx11
```

Alpine v3.19

Source: Alpine secdb

libx11→ fixed in1.6.6-r0
```
apk update && apk add --upgrade libx11
```

Are YOU affected by CVE-2018-14598?

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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