CVE-2014-9601 json
Pillow denial of service via PNG bomb
published 2015-01-16 11 y ago modified 2026-06-17 4 mo ago also GHSA-h5rf-vgqx-wjv2 , PYSEC-2015-16 , EUVD-2015-0031
- cvss
- 7.5
- version 3.1, GitHub
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.7%
- EPSS 4.7% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- pypi pillow 2.7.0
- pillow Debian 14, Debian 13, Debian 12 2.6.1-2
debian advisories DEBIAN-CVE-2014-9601
- pillow Ubuntu 14.04 LTS 2.3.0-1ubuntu3.4
ubuntu advisories UBUNTU-CVE-2014-9601
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- github.com/python-pillow/Pillow#1060 pull request
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2014-9601 updated cvss 2.6
python-pillow: potential denial-of-service during PNG decompression
-
Red Hat Enterprise Linux 5 python-imaging Red Hat Enterprise Linux 6 python-imaging, python-imaging-tk, python-imaging-sane Red Hat Enterprise Linux 7 python-pillow, python-pillow-qt, python-pillow-tk, python-pillow-saneaffected: no fix planned “Will not fix”
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
4.66% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | pillow | <2.7.0 |
2.7.0 |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
github.com
/python-pillow/Pillow/pull/1060
web, vendor-advisory
-
lists.opensuse.org
/opensuse-updates/2015-04/msg00056.html
vendor-advisory, web, third-party-advisory
-
lists.fedoraproject.org
/pipermail/package-announce/2015-January/148442.html
vendor-advisory, web, third-party-advisory
-
pillow.readthedocs.org
/releasenotes/2.7.0.html
web, vendor-advisory
-
djangoproject.com
/weblog/2015/jan/02/pillow-security-release/
third-party-advisory, article
-
oracle.com
/technetwork/topics/security/bulletinjul2015-2511963.html
web, third-party-advisory
-
securityfocus.com
/bid/77758
vdb-entry, web
-
nvd.nist.gov
/vuln/detail/CVE-2014-9601
advisory
-
github.com
/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2015-16.yaml
web
-
github.com
/python-pillow/Pillow
package
-
web.archive.org
/web/20200227221255/http://www.securityfocus.com/bid/77758
web
-
djangoproject.com
/weblog/2015/jan/02/pillow-security-release
web
-
github.com
/advisories/GHSA-h5rf-vgqx-wjv2
advisory
Sources
- CVE List CVE-2014-9601
- GitHub Advisory GHSA-h5rf-vgqx-wjv2
- NVD CVE-2014-9601
- OSV PYSEC-2015-16
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.