Pillow: Quadratic GIF comment copying during save
影響: pip:pillow >= 9.2.0, < 13.0.0 → 13.0.0
On Pillow 12.3.0 and upstream main (ad277e2761b489681e71b51e91367d46b0ceabb9), a GIF with a long comment makes _get_global_header() copy portions of the comment repeatedly when saving, including comments carried over from untrusted images. I suggest provisional Moderate severity for crafted-image CPU denial of service, with CVSS-B 6.9 assuming a network service automatically opens unauthenticated uploads and they are resaved as GIFs; impact depends on input-size, concurrency, and worker CPU lim…
| CVE | CVE-2026-112891 |
|---|---|
| 情報源 | GitHub Advisory Database |
| 取得日時 | 2026/10/22 05:42 |
| データ | Markdown JSON |
2026/10/22 05:38、GitHub Advisory Databaseが「Pillow: Quadratic GIF comment copying during save」を公開しました (種別: 脆弱性アドバイザリ)。重大度は「警告」(medium) です。関連する技術: Python。CVE: CVE-2026-112891。