CVE-2020-35521 · cross-distro fix matrix

CVE-2020-35521: A flaw was found in libtiff. Due to a memory allocation failure in tif_read.c, a crafted TIFF file can lead to an abort, resulting in denial of service.

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-35521 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

tiff→ fixed in4.1.0+git201212-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y tiff
```

Debian bookworm

Source: Debian Security Tracker

tiff→ fixed in4.1.0+git201212-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y tiff
```

Debian trixie

Source: Debian Security Tracker

tiff→ fixed in4.1.0+git201212-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y tiff
```

Alpine v3.20

Source: Alpine secdb

tiff→ fixed in4.2.0-r0
```
apk update && apk add --upgrade tiff
```

Alpine v3.21

Source: Alpine secdb

tiff→ fixed in4.2.0-r0
```
apk update && apk add --upgrade tiff
```

Alpine edge

Source: Alpine secdb

tiff→ fixed in4.2.0-r0
```
apk update && apk add --upgrade tiff
```

Alpine v3.18

Source: Alpine secdb

tiff→ fixed in4.2.0-r0
```
apk update && apk add --upgrade tiff
```

Alpine v3.19

Source: Alpine secdb

tiff→ fixed in4.2.0-r0
```
apk update && apk add --upgrade tiff
```

Are YOU affected by CVE-2020-35521?

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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Continuous monitoring beats manual checking

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