CVE-2025-48379

Summary

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

Severity

medium

EPSS

0.3% (p17)

Also known as

GHSA-xg8h-j46f-w952, BIT-pillow-2025-48379, PYSEC-2025-61

Published

2025-07-01

References

• https://github.com/python-pillow/Pillow/security/advisories/GHSA-xg8h-j46f-w952
• https://github.com/python-pillow/Pillow/commit/ef98b3510e3e4f14b547762764813d7e5ca3c5a4
• https://github.com/python-pillow/Pillow/pull/9041

Related advisories

• CVE-2026-42311 — high · PyPI/pillow
• CVE-2026-40192 — high · PyPI/pillow
• CVE-2026-25990 — high · PyPI/pillow
• CVE-2026-42308 — medium · PyPI/pillow
• CVE-2026-42310 — medium · PyPI/pillow
• CVE-2026-42309 — medium · PyPI/pillow

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