CVE-2026-55380 | Pillow up to 12.2.x GD Image File Parser PIL/GdImageFile.py GdImageFile._open heap-based overflow (Nessus ID 326367)

A vulnerability was found in Pillow up to 12.2.x. It has been rated as problematic. This impacts the function GdImageFile._open of the file PIL/GdImageFile.py of the component GD Image File Parser. This manipulation causes heap-based buffer overflow. This vulnerability is registered as CVE-2026-55380. Remote exploitation of the attack is possible. No exploit is available.