Several security issues were fixed in Pillow.
It was discovered that Pillow incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service. (CVE-2019-16865, CVE-2019-19911)
6 February 2020
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Pillow.
It was discovered that Pillow incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service. (CVE-2019-16865, CVE-2019-19911)
It was discovered that Pillow incorrectly handled certain images. An attacker could possibly use this issue to execute arbitrary code. (CVE-2020-5312)
It was discovered that Pillow incorrectly handled certain TIFF images. An attacker could possibly use this issue to cause a crash. This issue only affected Ubuntu 19.10. (CVE-2020-5310)
It was discovered that Pillow incorrectly handled certain SGI images. An attacker could possibly use this issue to execute arbitrary code or cause a crash. This issue only affected Ubuntu 18.04 and Ubuntu 19.10. (CVE-2020-5311)
It was discovered that Pillow incorrectly handled certain PCX images. An attackter could possibly use this issue to execute arbitrary code or cause a crash. (CVE-2020-5312)
It was discovered that Pillow incorrectly handled certain Flip images. An attacker could possibly use this issue to execute arbitrary code or cause a crash. (CVE-2020-5313)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon