PT-2016-6609 · Python+5 · Cpython+5

Published 2016-06-22 · Updated 2025-09-29 · CVE-2016-5636

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions CPython versions prior to 2.7.12 CPython versions 3.x prior to 3.4.5 CPython versions 3.5.x prior to 3.5.2

Description The issue is related to an integer overflow in the get data function, which can be triggered by a negative data size value. This leads to a heap-based buffer overflow, potentially allowing remote attackers to have an unspecified impact.

Recommendations For versions prior to 2.7.12, update to version 2.7.12 or later. For versions 3.x prior to 3.4.5, update to version 3.4.5 or later. For versions 3.5.x prior to 3.5.2, update to version 3.5.2 or later.

Exploit

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

ALSA-2025_16880

ALT-PU-2017-2501

ALT-PU-2017-2598

ALT-PU-2017-2851

CESA-2016_2586

CVE-2016-5636

DLA-1663-1

DLA-522-1

ELSA-2016-2586

MGASA-2016-0230

OPENSUSE-SU-2020:0086-1

OPENSUSE-SU-2020_0086-1

OPENSUSE-SU-2024:10193-1

OPENSUSE-SU-2024:10450-1

OPENSUSE-SU-2024:10536-1

OPENSUSE-SU-2024:11284-1

PSF-2016-7

RHSA-2016:2586

RHSA-2016_2586

SUSE-SU-2016:2106-1

SUSE-SU-2016:2653-1

SUSE-SU-2016:2859-1

SUSE-SU-2018:2408-1

SUSE-SU-2018_2408-1

SUSE-SU-2019:0223-1

SUSE-SU-2020:0114-1

SUSE-SU-2020:0234-1

USN-3134-1

Affected Products

Alt Linux

Cpython

Centos

Red Hat

Suse

Ubuntu

References · 226

• 🔥 https://github.com/insuyun/CVE-2016-5636 · Exploit
• https://osv.dev/vulnerability/DLA-1663-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-5636 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2016:2653-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2016-0230 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3134-1 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-5636 · Vendor Advisory
• http://rhn.redhat.com/errata/RHSA-2016-2586.html · Vendor Advisory
• https://osv.dev/vulnerability/PSF-2016-7 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:0223-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11284-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:2859-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-5636 · Security Note
• https://ubuntu.com/security/CVE-2016-5636 · Vendor Advisory