Packages
- pillow - Python Imaging Library
Details
It was discovered that Pillow incorrectly handled large glyph advance
values in fonts. An attacker could possibly use this issue to cause Pillow
to crash, resulting in a denial of service. (CVE-2026-42308)
It was discovered that Pillow incorrectly handled nested coordinate lists
in certain APIs. An attacker could possibly use this issue to cause Pillow
to crash, resulting in a denial of service. This issue only affected Ubuntu
25.10 and Ubuntu 26.04 LTS. (CVE-2026-42309)
It was discovered that Pillow incorrectly handled certain malformed PDF
files. An attacker could possibly use this issue to cause Pillow to use
excessive resources, leading to a denial of service. (CVE-2026-42310)
It was discovered that Pillow incorrectly handled certain malformed PSD
files. An attacker could possibly use this issue to cause...
It was discovered that Pillow incorrectly handled large glyph advance
values in fonts. An attacker could possibly use this issue to cause Pillow
to crash, resulting in a denial of service. (CVE-2026-42308)
It was discovered that Pillow incorrectly handled nested coordinate lists
in certain APIs. An attacker could possibly use this issue to cause Pillow
to crash, resulting in a denial of service. This issue only affected Ubuntu
25.10 and Ubuntu 26.04 LTS. (CVE-2026-42309)
It was discovered that Pillow incorrectly handled certain malformed PDF
files. An attacker could possibly use this issue to cause Pillow to use
excessive resources, leading to a denial of service. (CVE-2026-42310)
It was discovered that Pillow incorrectly handled certain malformed PSD
files. An attacker could possibly use this issue to cause Pillow to crash,
resulting in a denial of service, or to execute arbitrary code. This issue
only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-42311)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 26.04 LTS resolute | python3-pil – 12.1.1-2ubuntu1.2 | ||
| 25.10 questing | python3-pil – 11.3.0-1ubuntu1.3 | ||
| 24.04 LTS noble | python3-pil – 10.2.0-1ubuntu1.2 | ||
| 22.04 LTS jammy | python3-pil – 9.0.1-1ubuntu0.4 | ||
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.