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Ubuntu Security Notice USN-5763-1

Ubuntu Security Notice USN-5763-1
Posted Dec 7, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5763-1 - It was discovered that NumPy did not properly manage memory when specifying arrays of large dimensions. If a user were tricked into running malicious Python file, an attacker could cause a denial of service. This issue only affected Ubuntu 20.04 LTS. It was discovered that NumPy did not properly perform string comparison operations under certain circumstances. An attacker could possibly use this issue to cause NumPy to crash, resulting in a denial of service.

tags | advisory, denial of service, python
systems | linux, ubuntu
advisories | CVE-2021-33430, CVE-2021-34141
SHA-256 | 40ada0f71cfe2246d74c5f52c1ed606d4312af2338630c27267a73a8c26a3306

Ubuntu Security Notice USN-5763-1

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-5763-1
December 07, 2022

numpy vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in NumPy.

Software Description:
- numpy: scientific computing package with Python

Details:

It was discovered that NumPy did not properly manage memory when specifying
arrays of large dimensions. If a user were tricked into running malicious
Python file, an attacker could cause a denial of service. This issue only
affected Ubuntu 20.04 LTS. (CVE-2021-33430)

It was discovered that NumPy did not properly perform string comparison
operations under certain circumstances. An attacker could possibly use
this issue to cause NumPy to crash, resulting in a denial of service.
(CVE-2021-34141)

It was discovered that NumPy did not properly manage memory under certain
circumstances. An attacker could possibly use this issue to cause NumPy to
crash, resulting in a denial of service. (CVE-2021-41495, CVE-2021-41496)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.10:
python3-numpy 1:1.21.5-1ubuntu22.10.1

Ubuntu 22.04 LTS:
python3-numpy 1:1.21.5-1ubuntu22.04.1

Ubuntu 20.04 LTS:
python3-numpy 1:1.17.4-5ubuntu3.1

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-5763-1
CVE-2021-33430, CVE-2021-34141, CVE-2021-41495, CVE-2021-41496

Package Information:
https://launchpad.net/ubuntu/+source/numpy/1:1.21.5-1ubuntu22.10.1
https://launchpad.net/ubuntu/+source/numpy/1:1.21.5-1ubuntu22.04.1
https://launchpad.net/ubuntu/+source/numpy/1:1.17.4-5ubuntu3.1
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