USN-6154-1: Vim vulnerabilities

12 June 2023

Several security issues were fixed in Vim.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

  • vim - Vi IMproved - enhanced vi editor

Details

It was discovered that Vim was using uninitialized memory when fuzzy
matching, which could lead to invalid memory access. An attacker could
possibly use this issue to cause a denial of service or execute arbitrary
code. This issue only affected Ubuntu 22.04 LTS, Ubuntu 22.10 and Ubuntu
23.04. (CVE-2023-2426)

It was discovered that Vim was not properly performing bounds checks when
processing register contents, which could lead to a NULL pointer
dereference. An attacker could possibly use this issue to cause a denial
of service or execute arbitrary code. (CVE-2023-2609)

It was discovered that Vim was not properly limiting the length of
substitution expression strings, which could lead to excessive memory
consumption. An attacker could possibly use this issue to cause a denial
of service. (CVE-2023-2610)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 23.04
Ubuntu 22.10
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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

References

Join the discussion

Need help with your security needs?

Ubuntu Pro provides up to ten-year security coverage for over 23,000 open-source packages within the Ubuntu Main and Universe repositories.

Talk to an expert to find out what would work best for you

Further reading