USN-5763-1: NumPy vulnerabilities

Related Vulnerabilities: CVE-2021-33430   CVE-2021-34141   CVE-2021-41495   CVE-2021-41496  

Several security issues were fixed in NumPy.

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)

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)