CVE-2025-48379 – Pillow Vulnerable to Write Buffer Overflow on BCn encoding

https://notcve.org/view.php?id=CVE-2025-48379

01 Jul 2025 — Pillow is a Python imaging library. In versions 11.2.0 to before 11.3.0, there is a heap buffer overflow when writing a sufficiently large (>64k encoded with default settings) image in the DDS format due to writing into a buffer without checking for available space. This only affects users who save untrusted data as a compressed DDS image. This issue has been patched in version 11.3.0. Pillow es una librería de imágenes de Python. • https://github.com/python-pillow/Pillow/commit/ef98b3510e3e4f14b547762764813d7e5ca3c5a4 • CWE-122: Heap-based Buffer Overflow •