CVE-2025-48379

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.

• CWE-122

• https://github.com/python-pillow/Pillow/commit/ef98b3510e3e4f14b547762764813d7e5ca3c5a4Patch
• https://github.com/python-pillow/Pillow/pull/9041Exploit, Issue Tracking
• https://github.com/python-pillow/Pillow/releases/tag/11.3.0Release Notes
• https://github.com/python-pillow/Pillow/security/advisories/GHSA-xg8h-j46f-w952Vendor Advisory

Published

Jul 1, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

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