Python before 3.3.4 RC1 allows remote attackers to cause a denial of service (infinite…
Priority LOW 39CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Python before 3.3.4 RC1 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a file size value larger than the size of the zip file to the (1) ZipExtFile.read, (2) ZipExtFile.read(n), (3) ZipExtFile.readlines, (4) ZipFile.extract, or (5) ZipFile.extractall function.
Why it matters now
EPSS 0.05055 92nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 17
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:python:python:3.3.0:-:*:*:*:*:*:* | 3.3.0 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.3.0:alpha1:*:*:*:*:*:* | 3.3.0 alpha1 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.3.0:alpha2:*:*:*:*:*:* | 3.3.0 alpha2 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.3.0:alpha3:*:*:*:*:*:* | 3.3.0 alpha3 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.3.0:alpha4:*:*:*:*:*:* | 3.3.0 alpha4 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.3.0:beta1:*:*:*:*:*:* | 3.3.0 beta1 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.3.0:beta2:*:*:*:*:*:* | 3.3.0 beta2 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.3.0:rc1:*:*:*:*:*:* | 3.3.0 rc1 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.3.0:rc2:*:*:*:*:*:* | 3.3.0 rc2 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.3.0:rc3:*:*:*:*:*:* | 3.3.0 rc3 | Vulnerable | python-pillow |
- cpe:2.3:a:python:python:3.3.0:-:*:*:*:*:*:* Versions 3.3.0 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.3.0:alpha1:*:*:*:*:*:* Versions 3.3.0 alpha1 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.3.0:alpha2:*:*:*:*:*:* Versions 3.3.0 alpha2 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.3.0:alpha3:*:*:*:*:*:* Versions 3.3.0 alpha3 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.3.0:alpha4:*:*:*:*:*:* Versions 3.3.0 alpha4 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.3.0:beta1:*:*:*:*:*:* Versions 3.3.0 beta1 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.3.0:beta2:*:*:*:*:*:* Versions 3.3.0 beta2 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.3.0:rc1:*:*:*:*:*:* Versions 3.3.0 rc1 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.3.0:rc2:*:*:*:*:*:* Versions 3.3.0 rc2 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.3.0:rc3:*:*:*:*:*:* Versions 3.3.0 rc3 Vulnerable ·python-pillow
Show 7 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:python:python:3.3.1:-:*:*:*:*:*:* | 3.3.1 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.3.1:rc1:*:*:*:*:*:* | 3.3.1 rc1 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.3.2:*:*:*:*:*:*:* | 3.3.2 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.3.3:*:*:*:*:*:*:* | 3.3.3 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.3.3:rc1:*:*:*:*:*:* | 3.3.3 rc1 | Vulnerable | python-pillow |
| cpe:2.3:a:python:python:3.3.3:rc2:*:*:*:*:*:* | 3.3.3 rc2 | Vulnerable | python-pillow |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | up to 10.10.4 | Vulnerable | Apple |
- cpe:2.3:a:python:python:3.3.1:-:*:*:*:*:*:* Versions 3.3.1 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.3.1:rc1:*:*:*:*:*:* Versions 3.3.1 rc1 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.3.2:*:*:*:*:*:*:* Versions 3.3.2 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.3.3:*:*:*:*:*:*:* Versions 3.3.3 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.3.3:rc1:*:*:*:*:*:* Versions 3.3.3 rc1 Vulnerable ·python-pillow
- cpe:2.3:a:python:python:3.3.3:rc2:*:*:*:*:*:* Versions 3.3.3 rc2 Vulnerable ·python-pillow
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions up to 10.10.4 Vulnerable ·Apple
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Software Collections | Affected | No fix planned: Will not fix |
Not affected: 4 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Software Collections
Timeline
- 2026-10-02 Threatist record created from CVE-2013-7338
- 2026-10-03 Alias added: GHSA-hr8p-cf7x-v483
References
Sources
- CVE-2013-7338 · CVE Program
- CVE-2013-7338 · NVD
- FIRST EPSS
- GHSA-hr8p-cf7x-v483 · GitHub Advisory Database · CC BY 4.0
- CVE-2013-7338 · Red Hat security data · CC BY 4.0
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