CVE-2018-25032 · cross-distro fix matrix

CVE-2018-25032: zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.

Affects 8 Linux releases across 20 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2018-25032 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

zlib→ fixed in1:1.2.11.dfsg-2+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y zlib
```

Debian bookworm

Source: Debian Security Tracker

libz-mingw-w64→ fixed in1.2.11+dfsg-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libz-mingw-w64
```
zlib→ fixed in1:1.2.11.dfsg-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y zlib
```

Debian trixie

Source: Debian Security Tracker

libz-mingw-w64→ fixed in1.2.11+dfsg-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libz-mingw-w64
```
zlib→ fixed in1:1.2.11.dfsg-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y zlib
```

Alpine v3.20

Source: Alpine secdb

mariadb→ fixed in10.6.9-r0
```
apk update && apk add --upgrade mariadb
```
zlib→ fixed in1.2.11-r4
```
apk update && apk add --upgrade zlib
```
minizip→ fixed in1.2.12-r0
```
apk update && apk add --upgrade minizip
```

Alpine v3.21

Source: Alpine secdb

mariadb→ fixed in10.6.9-r0
```
apk update && apk add --upgrade mariadb
```
zlib→ fixed in1.2.11-r4
```
apk update && apk add --upgrade zlib
```
minizip→ fixed in1.2.12-r0
```
apk update && apk add --upgrade minizip
```

Alpine edge

Source: Alpine secdb

mariadb→ fixed in10.6.9-r0
```
apk update && apk add --upgrade mariadb
```
zlib→ fixed in1.2.11-r4
```
apk update && apk add --upgrade zlib
```
minizip→ fixed in1.2.12-r0
```
apk update && apk add --upgrade minizip
```

Alpine v3.18

Source: Alpine secdb

mariadb→ fixed in10.6.9-r0
```
apk update && apk add --upgrade mariadb
```
zlib→ fixed in1.2.11-r4
```
apk update && apk add --upgrade zlib
```
minizip→ fixed in1.2.12-r0
```
apk update && apk add --upgrade minizip
```

Alpine v3.19

Source: Alpine secdb

mariadb→ fixed in10.6.9-r0
```
apk update && apk add --upgrade mariadb
```
zlib→ fixed in1.2.11-r4
```
apk update && apk add --upgrade zlib
```
minizip→ fixed in1.2.12-r0
```
apk update && apk add --upgrade minizip
```

Are YOU affected by CVE-2018-25032?

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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