## Pillow: ReDoS in XbmImagePlugin: 512-byte file stalls Image.open() for minutes

- 種別: advisory
- 重大度: medium
- 関連技術: python
- CVE: CVE-2026-112901
- 公開日時: 2026-10-21T20:45:06.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-xgh8-jp6q-p5x8)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-xgh8-jp6q-p5x8

影響: pip:Pillow <= 12.3.0 → 13.0.0
============================================================================ ReDoS in XbmImagePlugin: 512-byte file stalls Image.open() for minutes Location: src/PIL/XbmImagePlugin.py:58 in XbmImageFile._open() Commit: a707c6b21c313880d0771e54965d142dd42358b6 ============================================================================ A crafted 512-byte file makes Pillow's Image.open() spend about six minutes of processor time on one core before it gives up with UnidentifiedImageError. Anyone w…