CVE-2026-59199Pillow is a Python imaging library.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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Pillow is a Python imaging library. Prior to 12.3.0, Pillow public image coordinate APIs can trigger a native heap out-of-bounds write when given coordinates near the signed 32-bit integer limits in Image.paste(), Image.crop(), or Image.alpha_composite(). This issue is fixed in version 12.3.0.
- CVSS
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-190, CWE-787
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jul 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
python pillow python:pillow | before 12.3.0 | NVD |
References
- https://github.com/python-pillow/Pillow/commit/ceefc348eb3c3844c7f9796ef2cc3a7dd5fbba7bpatch
- https://github.com/python-pillow/Pillow/pull/9703exploit, issue-tracking, patch
- https://github.com/python-pillow/Pillow/releases/tag/12.3.0release-notes
- https://github.com/python-pillow/Pillow/security/advisories/GHSA-6r8x-57c9-28j4exploit, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.