Ubuntu Security Notice USN-5763-1
December 07, 2022
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 22.10
– Ubuntu 22.04 LTS
– Ubuntu 20.04 LTS
Several security issues were fixed in NumPy.
– numpy: scientific computing package with Python
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.
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)
The problem can be corrected by updating your system to the following
Ubuntu 22.04 LTS:
Ubuntu 20.04 LTS:
In general, a standard system update will make all the necessary changes.
CVE-2021-33430, CVE-2021-34141, CVE-2021-41495, CVE-2021-41496