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CVE-2018-20406

Status Candidate

Overview

Modules/_pickle.c in Python before 3.7.1 has an integer overflow via a large LONG_BINPUT value that is mishandled during a "resize to twice the size" attempt. This issue might cause memory exhaustion, but is only relevant if the pickle format is used for serializing tens or hundreds of gigabytes of data. This issue is fixed in: v3.4.10, v3.4.10rc1; v3.5.10, v3.5.10rc1, v3.5.7, v3.5.7rc1, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.7, v3.6.7rc1, v3.6.7rc2, v3.6.8, v3.6.8rc1, v3.6.9, v3.6.9rc1; v3.7.1, v3.7.1rc1, v3.7.1rc2, v3.7.2, v3.7.2rc1, v3.7.3, v3.7.3rc1, v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.

Related Files

Red Hat Security Advisory 2019-3725-01
Posted Nov 6, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-3725-01 - Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Issues addressed include a null pointer vulnerability.

tags | advisory, python
systems | linux, redhat
advisories | CVE-2018-1060, CVE-2018-1061, CVE-2018-14647, CVE-2018-20406, CVE-2018-20852, CVE-2019-16056, CVE-2019-5010, CVE-2019-9740, CVE-2019-9947
SHA-256 | bbf1288026d411c841fcc3e8a74cffaf02a744569f5e0112ecfc1fdbb50d6127
Ubuntu Security Notice USN-4127-2
Posted Sep 10, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4127-2 - USN-4127-1 fixed several vulnerabilities in Python. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. It was discovered that Python incorrectly handled certain pickle files. An attacker could possibly use this issue to consume memory, leading to a denial of service. This issue only affected Ubuntu 14.04 ESM. Various other issues were also addressed.

tags | advisory, denial of service, vulnerability, python
systems | linux, ubuntu
advisories | CVE-2018-20406, CVE-2018-20852, CVE-2019-10160, CVE-2019-5010, CVE-2019-9636, CVE-2019-9948
SHA-256 | 84c230971385afb0f2cb1c23a9c79b6f7d17c2b51f829ff4d131be71dbab0644
Ubuntu Security Notice USN-4127-1
Posted Sep 9, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4127-1 - It was discovered that Python incorrectly handled certain pickle files. An attacker could possibly use this issue to consume memory, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. It was discovered that Python incorrectly validated the domain when handling cookies. An attacker could possibly trick Python into sending cookies to the wrong domain. Various other issues were also addressed.

tags | advisory, denial of service, python
systems | linux, ubuntu
advisories | CVE-2018-20406, CVE-2018-20852, CVE-2019-10160, CVE-2019-5010, CVE-2019-9636, CVE-2019-9948
SHA-256 | a6121ec027f70b67f345f5ad6c6c486f26a08b03eb27501881124c6501bc32ce
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