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Ubuntu 25.10 Pillow Important Denial of Service USN-8047-1 CVE-2026-25990

Pillow could be made to crash or run programs if it opened a specially crafted file.. ========================================================================== Ubuntu Security Notice USN-8047-1 February 17, 2026 pillow vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 Summary: Pillow could be made to crash or run programs if it opened a specially crafted file. Software Description: - pillow: Python Imaging Library Details: Yarden Porat discovered that Pillow incorrectly handled certain malformed PSD images. An attacker could use this issue to cause Pillow to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 python3-pil 11.3.0-1ubuntu1.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8047-1 CVE-2026-25990 Package Information: https://launchpad.net/ubuntu/+source/pillow/11.3.0-1ubuntu1.1 . Pillow on Ubuntu could crash or run code due to malformed files, leading to significant threats. Update recommended.. Pillow update Ubuntu crash security. . Severity: Important. LinuxSecurity.com Team

Feb 17, 2026 •Important Ubuntu