USN-7259-1: GNU C Library vulnerability

Published Feb 6, 2025
·
Updated

It was discovered that GNU C Library incorrectly handled memory when using the assert function. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

Affected Software

10 affected componentsFixes available
All of the following
ubuntu/libc6<2.40-1ubuntu3.1
2.40-1ubuntu3.1
Ubuntu Ubuntu=24.10
All of the following
ubuntu/libc6<2.39-0ubuntu8.4
2.39-0ubuntu8.4
Ubuntu Ubuntu=24.04
All of the following
ubuntu/libc6<2.35-0ubuntu3.9
2.35-0ubuntu3.9
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libc6<2.31-0ubuntu9.17
2.31-0ubuntu9.17
Ubuntu Ubuntu=20.04
All of the following
ubuntu/libc6<2.27-3ubuntu1.6+esm4
2.27-3ubuntu1.6+esm4
Ubuntu Ubuntu=18.04

Event History

Feb 6, 2025
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-7259-1?

The severity of USN-7259-1 is critical due to a memory handling flaw in the GNU C Library that can lead to denial of service or arbitrary code execution.

2

How do I fix USN-7259-1?

To fix USN-7259-1, upgrade the libc6 package to the recommended version according to your Ubuntu release.

3

What versions of Ubuntu are affected by USN-7259-1?

USN-7259-1 affects Ubuntu versions 20.04, 22.04, 24.04, and 24.10 with specific libc6 versions.

4

What is the cause of the vulnerability in USN-7259-1?

The vulnerability in USN-7259-1 is caused by improper memory handling when using the assert function in the GNU C Library.

5

Can USN-7259-1 lead to remote attacks?

Yes, USN-7259-1 could potentially allow attackers to execute arbitrary code or cause denial of service, making it a serious risk.

Contact

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