USN-5763-1: NumPy vulnerabilities

Releases

• Ubuntu 22.10
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS

Packages

• 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

• python3-numpy - 1:1.21.5-1ubuntu22.04.1

Ubuntu 20.04

• python3-numpy - 1:1.17.4-5ubuntu3.1

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

References

• CVE-2021-41495
• CVE-2021-34141
• CVE-2021-41496
• CVE-2021-33430