---
cve: "CVE-2016-5636"
severity: "CRITICAL"
cvss: 9.8
epss: "79%"
vendor: "Generic Security"
kev: false
exploited: false
published: "2016-09-02 14:59:06"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-14T05:59:11+02:00"
---

# CVE-2016-5636

> 9.8 CRITICAL

## Beschreibung

Integer overflow in the get_data function in zipimport.c in CPython (aka Python) before 2.7.12, 3.x before 3.4.5, and 3.5.x before 3.5.2 allows remote attackers to have unspecified impact via a negative data size value, which triggers a heap-based buffer overflow.

## CVSS-Vektor

```
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Referenzen

- <http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html>
- <http://rhn.redhat.com/errata/RHSA-2016-2586.html>
- <http://www.openwall.com/lists/oss-security/2016/06/15/15>
- <http://www.openwall.com/lists/oss-security/2016/06/16/1>
- <http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html>
- <http://www.securityfocus.com/bid/91247>
- <http://www.securitytracker.com/id/1038138>
- <http://www.splunk.com/view/SP-CAAAPSV>
- <http://www.splunk.com/view/SP-CAAAPUE>
- <https://bugs.python.org/issue26171>
- <https://docs.python.org/3.4/whatsnew/changelog.html#python-3-4-5>
- <https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-2>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2016-5636) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_