USN-5777-1: Pillow vulnerabilities

Releases

• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS

Packages

• pillow - Python Imaging Library

Details

It was discovered that Pillow incorrectly handled the deletion of temporary
files when using a temporary directory that contains spaces. An attacker could
possibly use this issue to delete arbitrary files. This issue only affected
Ubuntu 20.04 LTS. (CVE-2022-24303)

It was discovered that Pillow incorrectly handled the decompression of highly
compressed GIF data. An attacker could possibly use this issue to cause Pillow
to crash, resulting in a denial of service. (CVE-2022-45198)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 22.04

• python3-pil - 9.0.1-1ubuntu0.1

Ubuntu 20.04

• python3-pil - 7.0.0-4ubuntu0.7

In general, a standard system update will make all the necessary changes.

References

• CVE-2022-24303
• CVE-2022-45198

Related notices

• USN-5777-2