CVE-2019-20907 · cross-distro fix matrix

CVE-2019-20907: In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation.

Affects 8 Linux releases across 10 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2019-20907 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

pypy3→ fixed in7.3.3+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pypy3
```

python2.7→ fixed in2.7.18-2urgency: low

sudo apt-get install --only-upgrade -y python2.7

python3.9→ fixed in3.9.0~b5-1urgency: low

sudo apt-get install --only-upgrade -y python3.9

Debian bookworm

Source: Debian Security Tracker

pypy3→ fixed in7.3.3+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pypy3
```

Debian trixie

Source: Debian Security Tracker

pypy3→ fixed in7.3.3+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pypy3
```

Alpine v3.20

Source: Alpine secdb

python3→ fixed in3.8.5-r0
```
apk update && apk add --upgrade python3
```

Alpine v3.21

Source: Alpine secdb

python3→ fixed in3.8.5-r0
```
apk update && apk add --upgrade python3
```

Alpine edge

Source: Alpine secdb

python3→ fixed in3.8.5-r0
```
apk update && apk add --upgrade python3
```

Alpine v3.18

Source: Alpine secdb

python3→ fixed in3.8.5-r0
```
apk update && apk add --upgrade python3
```

Alpine v3.19

Source: Alpine secdb

python3→ fixed in3.8.5-r0
```
apk update && apk add --upgrade python3
```

Are YOU affected by CVE-2019-20907?

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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