CVE-2020-25467 · cross-distro fix matrix

CVE-2020-25467: A null pointer dereference was discovered lzo_decompress_buf in stream.c in Irzip 0.621 which allows an attacker to cause a denial of service (DOS) via a crafted compressed file.

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-25467 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

lrzip→ fixed in0.640-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lrzip
```

Debian bookworm

Source: Debian Security Tracker

lrzip→ fixed in0.640-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lrzip
```

Debian trixie

Source: Debian Security Tracker

lrzip→ fixed in0.640-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lrzip
```

Alpine v3.20

Source: Alpine secdb

lrzip→ fixed in0.640-r0
```
apk update && apk add --upgrade lrzip
```

Alpine v3.21

Source: Alpine secdb

lrzip→ fixed in0.640-r0
```
apk update && apk add --upgrade lrzip
```

Alpine edge

Source: Alpine secdb

lrzip→ fixed in0.640-r0
```
apk update && apk add --upgrade lrzip
```

Alpine v3.18

Source: Alpine secdb

lrzip→ fixed in0.640-r0
```
apk update && apk add --upgrade lrzip
```

Alpine v3.19

Source: Alpine secdb

lrzip→ fixed in0.640-r0
```
apk update && apk add --upgrade lrzip
```

Are YOU affected by CVE-2020-25467?

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

CVE-2020-25467dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)