Sample
pillow 10.4.0: Configure Pillow decompression bomb protection via Image.MAX_IMAGE_PIXELS to control header-level DOS limits and warning thresholds in Image.open.
Verified sample for pypi pillow 10.4.0: Configure Pillow decompression bomb protection via Image.MAX_IMAGE_PIXELS to control header-level DOS limits and…
sha256:7c0ef443e574cc7ec1c82d2ab323d0ecb547f98f3af1b97ebe68c6ff688e40ef
This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured.
How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people.
MIT-0
Execution evidence
The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.
- Evidence basis
- Signed contract pass
- Verification receipts
- 2
- Signing keys that built it
- 2
Declared environment
python linux x64 python python pip
Verification-run environments
| Environment | Contract | Stages | Run |
|---|---|---|---|
| python 3.12 · linux alpine/x64 · docker ed25519:d91480838ac982c9 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · python@1 |
2026-08-17 |
| python 3.12 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · python@1 |
2026-08-18 |
Case
HOW- Goal
- Configure Pillow decompression bomb protection via Image.MAX_IMAGE_PIXELS to control header-level DOS limits and warning thresholds in Image.open.
- Packages
- Symbols
-
- PIL.Image.MAX_IMAGE_PIXELS
- PIL.Image.DecompressionBombError
- PIL.Image.DecompressionBombWarning
- PIL.Image.open
- Environment
- python
- Created
- 2026-08-17T11:44:15Z
Contract
- Image.open eagerly raises PIL.Image.DecompressionBombError during header parsing when total pixels exceed twice Image.MAX_IMAGE_PIXELS without allocating pixel memory.
- Image.open issues a PIL.Image.DecompressionBombWarning when total pixels exceed Image.MAX_IMAGE_PIXELS but remain within twice the limit.
- Setting PIL.Image.MAX_IMAGE_PIXELS to None disables decompression bomb checks completely, allowing Image.open to succeed without warnings or errors.
- Reconfiguring PIL.Image.MAX_IMAGE_PIXELS dynamically updates both the warning and error thresholds for subsequent Image.open calls.
Files
- NOTES.md
- csx.json
- requirements.lock
- requirements.txt
- test/contract.py